What is the sum of two numbers is 18 and their difference is 4

The sum of two numbers is 15 and the sum of their reciprocal is 3/10. find the numbers.how to sync bookmarks in chrome with google account; how long to cycle a tank with seeded mediaLet the numbers are x and y if their sum is 30 and difference is 4 then x+y=30 -----1equation x-y=4 -----2equation add both the equations, 2x=34 x=17 then put the value of x in 1equation, x+y=30 17+y=30 y=30-17 y=13 then, first number is 17 and second number is 13 l1b visa requirements The HCF of two numbers = 18. Their sum = 288. Concept used: If the number is 18x and 18y, then x and y will be Co-prime prime numbers, Calculation: Let the two numbers be 18x and 18y. According to the question, 18x + 18y = 288. ⇒ x + y = 288/18. ⇒ x + y = 16. Now, we can say x = 7 and y = 9, then x and y will be Co-prime number. 1978 suzuki gs750 Question 103717: The sum of two numbers is 18 and their difference is 4. What are the two numbers? Answer by scott8148(6628) (Show Source): Solution: Given the sum of two numbers is 18 and their difference is 4 Let the two numbers be x, y By the given data, we can express them as x + y = 18 --- [a] and x - y = 4 --- [b] Add [a] and [b] (x + y) + (x - y) = 18 + 4 2x = 22 x = 11 Put x = 11 in [a], we get 11 + y = 18 y = 18 - 11 y = 7 Therefore, the two numbers are 11 and 7 howards rattler cam dyno What is The sum of two numbers is 18 and their difference is 4. Find the numbers... Questions. Math, 09.07.2021 06:20. If the volume of a sphere is 40 cm³, find the volume of a cylinder with the same radius. A. 2 cm³ B. 12 cm³ C. 20 cm³ D. 60 cm³... Answer. World Languages, 09.07.2021 06:20.The HCF of two numbers = 18. Their sum = 288. Concept used: If the number is 18x and 18y, then x and y will be Co-prime prime numbers, Calculation: Let the two numbers be 18x and 18y. According to the question, 18x + 18y = 288. ⇒ x + y = 288/18. ⇒ x + y = 16. Now, we can say x = 7 and y = 9, then x and y will be Co-prime number. john deere riding mower snow blowerWhat is the sum of two numbers is 18 and their difference is 6? 2x = 24, so x = 24/2 = 12 and y = 18-x = 18–12 = 6. x = 12 and y = 6. The two numbers are 6 and 12. lundy canyon trail Lucy shares a kitchen with Tin Shop's new pizza shop Slice & Pie, so pizzas topped with mushroom and truffle are at the ready. Colorful It's Staar Day Yall Test Day Testing Day 130 Pages 8.5''x11'' in Wide Ruled Notebook Paperback - May 17 2022 by Wanika Johnson (Author) See all formats and editions. 65 mustang chassis. vsco film 07 ghillie.The values of a and b in the expression given are 11 and 7 respectively. Let the numbers be : a and b The sum of the numbers equals 18 : . a + b = 18 - - - (1) The difference of the numbers equal 4 :The answer is 16 Because a = the larger number and b = the smaller number so equations would look like a+b=14 and a-b=18 we can add the 2 equations together and get 2a=32 then simply to 2a/2=32/2 then simplify that and get the answer a=16The HCF of two numbers = 18. Their sum = 288. Concept used: If the number is 18x and 18y, then x and y will be Co-prime prime numbers, Calculation: Let the two numbers be 18x and 18y. According to the question, 18x + 18y = 288. ⇒ x + y = 288/18. ⇒ x + y = 16. Now, we can say x = 7 and y = 9, then x and y will be Co-prime number. freightliner cascadia ecm problems Solution: Given the sum of two numbers is 18 and their difference is 4 Let the two numbers be x, y By the given data, we can express them as x + y = 18 --- [a] and x - y = 4 --- [b] Add [a] and [b] (x + y) + (x - y) = 18 + 4 2x = 22 x = 11 Put x = 11 in [a], we get 11 + y = 18 y = 18 - 11 y = 7 Therefore, the two numbers are 11 and 7 2018年12月10日 ... The sum means to add two numbers so we can write : x + y = 18. Then, their difference is 4 which can be written : x - y = 4.The sum o Question The sum of two numbers is 18. The sum of their reciprocals is 1/4. The smaller number is Easy Solution Verified by Toppr Correct option is A) ⇒ Let one number be x, then other number will be 18−x. According to the question, ⇒ x1+ 18−x1 = 41 ⇒ 18x−x 218−x+x= 41 ⇒ 18x−x 218 = 41 ⇒ 72=18x−x 2 ⇒ x 2−18x+72=0 ⇒ x 2−12x−6x+72=0 jacksonville fair dates A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.The sum of two numbers is 18 and their difference is 4 Advertisement a4nandachBones is waiting for your help. Add your answer and earn points. Answer 3.7 /5 7 texaschic101 a + b = 18 a - b = 4 -------------add 2a = 22 a = 22/2 a = 11 a + b = 18 11 + b = 18 b = 18 - 11 b = 7 ur 2 numbers are 7 and 11 Advertisement central raiders baseball What is the sum of two numbers is 18 their difference is 2 what are the two numbers? 12 6.Oct 01, 2016 · The sum of two numbers is 18 and their difference is 4 - 1888592 a4nandachBones a4nandachBones 10/01/2016 Mathematics High School answered Let the numbers are x and y if their sum is 30 and difference is 4 then x+y=30 -----1equation x-y=4 -----2equation add both the equations, 2x=34 x=17 then put the value of x in 1equation, x+y=30 17+y=30 y=30-17 y=13 then, first number is 17 and second number is 13 classic wedding songs Given the sum of two numbers is 18 and their difference is 4. Let the two numbers be x, y. By the given data, we can express them as. x + y = 18 --- [a] and x - y = 4 --- [b] Add [a] and [b] (x + y) + (x - y) = 18 + 4. 2x = 22. x = 11. Put x = 11 in [a], we get 11 + y = 18. y = 18 - 11. y = 7. Therefore, the two numbers are 11 and 7Given the sum of two numbers is 18 and their difference is 4. Let the two numbers be x, y. By the given data, we can express them as. x + y = 18 --- [a] and x - y = 4 --- [b] Add [a] and [b] (x + y) + (x - y) = 18 + 4. 2x = 22. x = 11. Put x = 11 in [a], we get 11 + y = 18. y = 18 - 11. y = 7. Therefore, the two numbers are 11 and 7 used dingo for sale craigslist x + y = 18. The difference between x and y is 4. In other words, x minus y equals 4 and can be written as equation B: · x - y = 4. Now solve equation B for x to ...Aug 05, 2021 · first + second = 18 (Put the value of first in this equation) 13 + second = 18 second = 18 – 13 second = 5. So, the numbers are 13 and 5. If we consider the case i.e. second – first = 8, then the solution will be same and the first number will become 5 and second number will become 13. Question The sum of two numbers is 137 and their difference is 43.Find the numbers. Solution Let x and y be the 2 numbers. let x be the larger number Given, x - y = 43 so x = 43+y And x + y = 137 putting x =43 + y,we get, 43+y+y=137 43 + 2y =137 2y = 137 - 43 = 94 y = 94 2 = 47 x= 43+y y=43 +47=90 so the n numbers are 90 and 47 Suggest CorrectionsDec 10, 2018 · The sum means to add two numbers so we can write : x + y = 18. Then, their difference is 4 which can be written : x - y = 4. The best way to determine this is to set one of the variables on one side of an equation to use in the second equation. This takes a bit of algebra. x + y = 18 can be rearranged to x = 18 - y OR y = 18 - x : either of these gives you an equation to plug in to the second equation to find one of the variables. In effect, their angle sum is half of 360°, which equals 180°. com is related to online calculators and converters. 2 turn, 180°, or π radians), to the results as necessary, until the magnitude of the result is an acute angle, a value between 0 and 1 4 turn, 90°, or π 2 radians. Here, ∠PRQ and ∠PRT are angles in a linear pair.We will assign a and b for the two numbers. The two numbers add up to 2, we write like: a + b = 2. Since we don't know which of these numbers is the largest, we must assume the absolute value of |b-a| = 4. Thus, from the absolute value, we get: b - a = 4. and, b - a = -4. take the second equation and solve it for b.The answer is 16 Because a = the larger number and b = the smaller number so equations would look like a+b=14 and a-b=18 we can add the 2 equations together and get 2a=32 then simply to 2a/2=32/2 then simplify that and get the answer a=16 best speakers for hegel h390 The answer is 16 Because a = the larger number and b = the smaller number so equations would look like a+b=14 and a-b=18 we can add the 2 equations together and get 2a=32 then simply to 2a/2=32/2 then simplify that and get the answer a=16Sort the numbers according to their sum of digits in C++; Finding two numbers given their sum and Highest Common Factor using JavaScript; Program to find maximum sum of the subsequence, where difference of two values is same as their position difference in Python; C program to find sum and difference of two numbers; Count ordered pairs of ...How to use the calculator to find numbers by sum and difference. Using the calculator is simple, follow these 3 steps: 1 Enter the sum in the first input box. 2 Enter the difference in the second input box. 3Click Calculate button to get the answer, or click Reset button to start a new calculation. Next, let’s look at some examples. free unsolved case files pdf Oct 08, 2019 · The sum of two numbers is 18. Let's say these two numbers are a and b. Then sum of a and b is equal to 18 a+b = 18 The difference of these numbers is 4. Then, subtracting b from a should give us 4. a - b = 4 We have two equations and two unknowns. We can solve these equations. Start with a - b = 4. Write a in terms of b: a = 4 + b The sum of the two forces or vectors is called the resultant force . The third vector equal to the resultant is called the equilibrant. The three forces in this experiment are all in the same plane and therefore are coplanar. Throughout the trials in this experiment, 2 masses will remain the same while the mass of a third <b>force</b> will be altered. can a neighbor block my view but I don't understand why the two integers are different when I put the integers into the map - explain what you mean with samples – Scary Wombat Oct 28 at 0:13Sum of two numbers is 18 and their difference is 8. Find the numbers Last Updated : 05 Aug, 2021 Read Discuss A system was introduced to define the numbers present from negative infinity to positive infinity. The system is known as the Number system.Sep 04, 2022 · What is the sum of two numbers is 18 and their difference is 6? 2x = 24, so x = 24/2 = 12 and y = 18-x = 18–12 = 6. x = 12 and y = 6. The two numbers are 6 and 12. visa sponsorship farm jobs in europe Sum of two numbers is 40 and their difference is 10. Find the numbers. Answer:. Let x be the greater of the two numbers. Since their difference is 4 you know the second number is 4 less than x so it is x - 4. The sum of the two numbers is-8 so x + x - 4 = -8. solve for x. Math.You can put this solution on YOUR website! let x=number, y=(other number) ... x+y=18 ... x-y=4 adding the two equations eliminates the y and gives 2x=22, ...GPA Conversion Table . 4.0 Scale : 4.3 Scale : 4. 5 Scale : 5 .0 Scale : 100 Points Scale : 3.97 ~ 4.0: 4.26 ~ 4.3. speeduino mx5 base map chiappa rhino accessories. currentbuild getrawbuild getexecutor interrupt result success. stuhi dashurie aktoret. unlock frp with imei free ...Question 103717: The sum of two numbers is 18 and their difference is 4. What are the two numbers? Answer by scott8148(6628) (Show Source): 10x30 storage unit The answer is 16 Because a = the larger number and b = the smaller number so equations would look like a+b=14 and a-b=18 we can add the 2 equations together and get 2a=32 then simply to …2019年10月4日 ... Answer: 4 and 3 are a the answers. 4 multiplied by 3 is 12. 4 add 3 is 7. Question: How do you multiply the sum of 12 and 8 by their difference ... blevins funeral home obituaries Sep 04, 2022 · What is the sum of two numbers is 18 and their difference is 6? 2x = 24, so x = 24/2 = 12 and y = 18-x = 18–12 = 6. x = 12 and y = 6. The two numbers are 6 and 12. uk parking control ltd scotland y = 3. Therefore, another number y is 3. The two numbers are 21 and 3. Let’s check if the answer is correct. 21 + 3 = 24. 21 – 3 = 18. Exactly as stated in the question, so, this is correct. This method is suitable for people with a certain foundation. Okay, we got the answer is 21 and 3.Sum of two numbers is 18 and their difference is 8. Find the numbers Last Updated : 05 Aug, 2021 Read Discuss A system was introduced to define the numbers present from negative infinity to positive infinity. The system is known as the Number system.Sep 04, 2022 · What is the sum of two numbers is 18 and their difference is 6? 2x = 24, so x = 24/2 = 12 and y = 18-x = 18–12 = 6. x = 12 and y = 6. The two numbers are 6 and 12. Oct 08, 2019 · The sum of two numbers is 18. Let's say these two numbers are a and b. Then sum of a and b is equal to 18 a+b = 18 The difference of these numbers is 4. Then, subtracting b from a should give us 4. a - b = 4 We have two equations and two unknowns. We can solve these equations. Start with a - b = 4. Write a in terms of b: a = 4 + b the health lottery results The HCF of two numbers = 18. Their sum = 288. Concept used: If the number is 18x and 18y, then x and y will be Co-prime prime numbers, Calculation: Let the two numbers be 18x and 18y. According to the question, 18x + 18y = 288. ⇒ x + y = 288/18. ⇒ x + y = 16. Now, we can say x = 7 and y = 9, then x and y will be Co-prime number.34 % of women consider themselves fans of professional baseball. you randomly select six women and ask each if she considers herself a fan of professional baseball. complete parts (a) through (d) below. on average, out of 6 women would consider themselves baseball fans. the standard deviation is women, so in most samples of 6 women, the number of women who consider themselves baseball fans ...salary of prime minister charged from which fund. Na Maison Chique você encontra todos os tipos de trajes e acessórios para festas, com modelos de altíssima qualidade para aluguel.The R360 was a compact and stylish two-door, four-seat coupe. 3. ’91 Honda Beat. The lightest car that you can get in the whole of Gran Turismo 7, the ’91 Honda Beat is what you would call a kei car , which is basically a reallycar. ... kenma headcanons 18 bac pension plan. bobcat 610 service manual pdf. wotlk 2h frost dk pvp cannot invoke ... moksha jewellery exhibition 2022 austin The sum of two numbers is 18 and their difference is 4 - 1888592 a4nandachBones a4nandachBones 10/01/2016 Mathematics High School answered⪼ The second number is 5. GIVEN:- Sum of the numbers = 14 Difference of the numbers = 4. TO FIND:-Here we have to find out both the numbers. SOLUTION:-Here we simply … custom military name patches The sum of two numbers is 18. Let's say these two numbers are a and b. Then sum of a and b is equal to 18 a+b = 18 The difference of these numbers is 4. Then, subtracting b from a should give us 4. a - b = 4 We have two equations and two unknowns. We can solve these equations. Start with a - b = 4. Write a in terms of b: a = 4 + bQuestion 103717: The sum of two numbers is 18 and their difference is 4. What are the two numbers? Answer by scott8148(6628) (Show Source): celotex insulation The lightweight, ultra-thin design of the Deep Cover Ultra gives it the edge and discretion you need in handgun concealment. The ballistic nylon gun holster's ambidextrous design and high quality construction make it a practical purchase for any conceal-carry enthusiast. Add this OWB deep concealment holster to your tactical toolkit today!. "/>Two equations can be added together to get a new equation. (x + y) + (x – y) = 37 + 15. Simplify this equation and solve. x + y + x – y = 37 + 15. 2x = 52. x = 52 2. x = 26. Now, we get one number x is 26. Substitute x = 26 into any of the original equations above to calculate another number.Click here👆to get an answer to your question ✍️ The sum of two numbers is 8 and their difference is 4. Find the numbers.Feb 28, 2018. Write an equation to satisfy the word problem: x+y the sum of two number = is x−y 28 and their difference =4 is 4. This is a system of linear equations: x + y = 28. x − y = 4. Add to get rid of y: 2x = 32. x = 16. how to use phonesploit in termuxSum of two numbers is 40 and their difference is 10. Find the numbers. Answer:. Let x be the greater of the two numbers. Since their difference is 4 you know the second number is 4 less than x so it is x - 4. The sum of the two numbers is-8 so x + x - 4 = -8. solve for x. Math.Two equations can be added together to get a new equation. (x + y) + (x – y) = 37 + 15. Simplify this equation and solve. x + y + x – y = 37 + 15. 2x = 52. x = 52 2. x = 26. Now, we get one number x is 26. Substitute x = 26 into any of the original equations above to calculate another number. how to bypass neutral safety switch on tractor Two equations can be added together to get a new equation. (x + y) + (x - y) = 24 + 6. Simplify this equation and solve. x + y + x - y = 24 + 6. 2x = 30. x = 30 2. x = 15. Now, we get one number x is 15. Substitute x = 15 into any of the original equations above to calculate another number.Sep 04, 2022 · What is the sum of two numbers is 18 and their difference is 6? 2x = 24, so x = 24/2 = 12 and y = 18-x = 18–12 = 6. x = 12 and y = 6. The two numbers are 6 and 12. 2021年4月6日 ... The quick answer is that the two numbers are 6 and 12. Here's how to figure it out: Let's say one of the mystery numbers is a and the other is ... capricorn evil powers The sum of two even numbers will always be even. The sum of two numbers refers to the result of adding them together. An even number is defined as any number that has 2 as a factor. For example, 2, 4,Oct 08, 2019 · The sum of two numbers is 18. Let's say these two numbers are a and b. Then sum of a and b is equal to 18. a+b = 18. The difference of these numbers is 4. Then, subtracting b from a should give us 4. a - b = 4. We have two equations and two unknowns. We can solve these equations. Start with a - b = 4. Write a in terms of b: a = 4 + b Improve your coding skills with our library of 300+ challenges and prepare for coding interviews with content from leading technology companies.which prefix represents the smallest subnet that can be used in underlay automation craigslist rental property listing Find maximum element from the given array of integers. Input Format: First line of input contains N - the size of the array and second line contains the elements of the array.Constraints: 1 <= N <= 103-109 <= ar[i] <= 109: Output Format: Print the maximum element of array.Sample Input 0: 5-2 -19 8 15 4: Sample Output 0: 15: Explanation 0.. "/>The sum of two numbers is 18. The sum of their reciprocals is 1/4. Find the numbers. Solution Let one of the number be x then other number is (18 − x). Then according to question,The two numbers are 28 and 21. Let’s check if the answer is correct. 28 + 21 = 49. 28 – 21 = 7. Exactly as stated in the question, so, this is correct. This method is suitable for people with a certain foundation. Okay, we got the answer is 28 and … never too far novel anastasia and elliot chapter 33 What is the sum of two numbers is 18 and their difference is 6? 2x = 24, so x = 24/2 = 12 and y = 18-x = 18–12 = 6. x = 12 and y = 6. The two numbers are 6 and 12.Oct 08, 2019 · The sum of two numbers is 18. Let's say these two numbers are a and b. Then sum of a and b is equal to 18 a+b = 18 The difference of these numbers is 4. Then, subtracting b from a should give us 4. a - b = 4 We have two equations and two unknowns. We can solve these equations. Start with a - b = 4. Write a in terms of b: a = 4 + b 34 % of women consider themselves fans of professional baseball. you randomly select six women and ask each if she considers herself a fan of professional baseball. complete parts (a) through (d) below. on average, out of 6 women would consider themselves baseball fans. the standard deviation is women, so in most samples of 6 women, the number of women who consider themselves baseball fans ... bags from claire Find step-by-step Pre-algebra solutions and your answer to the following textbook question: The sum of two numbers is 18. Their difference is 8. a. If the numbers are x and y, write a system of equations to describe their sum and their difference. b. Solve the system to find the numbers.. cheapest garage floor tiles Apr 10, 2020 · Mathematics College answered The sum of two numbers is 18 and their difference is 6. What are the two numbers? Larger number Smaller number 1 See answer Add answer + 5 pts imoore3 is waiting for your help. Add your answer and earn points.GPA Conversion Table . 4.0 Scale : 4.3 Scale : 4. 5 Scale : 5 .0 Scale : 100 Points Scale : 3.97 ~ 4.0: 4.26 ~ 4.3. speeduino mx5 base map chiappa rhino accessories. currentbuild getrawbuild getexecutor interrupt result success. stuhi dashurie aktoret. unlock frp with imei free ...Dec 10, 2018 · The sum means to add two numbers so we can write : x + y = 18. Then, their difference is 4 which can be written : x - y = 4. The best way to determine this is to set one of the variables on one side of an equation to use in the second equation. This takes a bit of algebra. x + y = 18 can be rearranged to x = 18 - y OR y = 18 - x : either of these gives you an equation to plug in to the second equation to find one of the variables. club car fe290 weak spark The sum of the two forces or vectors is called the resultant force . The third vector equal to the resultant is called the equilibrant. The three forces in this experiment are all in the same plane and therefore are coplanar. Throughout the trials in this experiment, 2 masses will remain the same while the mass of a third <b>force</b> will be altered. credit karma direct deposit time Find step-by-step Pre-algebra solutions and your answer to the following textbook question: The sum of two numbers is 18. Their difference is 8. a. If the numbers are x and y, write a system of equations to describe their sum and their difference. b. Solve the system to find the numbers..The sum of two numbers is 18. Let's say these two numbers are a and b. Then sum of a and b is equal to 18 a+b = 18 The difference of these numbers is 4. Then, subtracting b from a should give us 4. a - b = 4 We have two equations and two unknowns. We can solve these equations. Start with a - b = 4. Write a in terms of b: a = 4 + bTwo equations can be added together to get a new equation. (x + y) + (x – y) = 24 + 6. Simplify this equation and solve. x + y + x – y = 24 + 6. 2x = 30. x = 30 2. x = 15. Now, we get one number x is 15. Substitute x = 15 into any of the original equations above to calculate another number.Posted in third person singular present inflection examples. france license plate check. Posted by By hire someone to help you start a business November 2, 2022 open area of land crossword By hire someone to help you start a business November 2, 2022 open area of land crossword rutgers baseball record What is The sum of two numbers is 18 and their difference is 4. Find the numbers... Questions. Math, 09.07.2021 06:20. If the volume of a sphere is 40 cm³, find the volume of a cylinder with the same radius. A. 2 cm³ B. 12 cm³ C. 20 cm³ D. 60 cm³... Answer. World Languages, 09.07.2021 06:20.34 % of women consider themselves fans of professional baseball. you randomly select six women and ask each if she considers herself a fan of professional baseball. complete parts (a) through (d) below. on average, out of 6 women would consider themselves baseball fans. the standard deviation is women, so in most samples of 6 women, the number of women who consider themselves baseball fans ... What is the sum of two numbers is 18 and their difference is 6? 2x = 24, so x = 24/2 = 12 and y = 18-x = 18–12 = 6. x = 12 and y = 6. The two numbers are 6 and 12.What is The sum of two numbers is 18 and their difference is 4. Find the numbers... Questions. Math, 09.07.2021 06:20. If the volume of a sphere is 40 cm³, find the volume of a cylinder with … she broke up with me but still talks to me How to use the calculator to find numbers by sum and difference. Using the calculator is simple, follow these 3 steps: 1 Enter the sum in the first input box. 2 Enter the difference in the second input box. 3Click Calculate button to get the answer, or click Reset button to start a new calculation. Next, let’s look at some examples. The sum of two numbers is 18. The sum of their reciprocals is 1/4. Find the numbers. Solution Let one of the number be x then other number is (18 − x). Then according to question,The sum of two numbers is 15 and the sum of their reciprocal is 3/10. find the numbers.but I don't understand why the two integers are different when I put the integers into the map - explain what you mean with samples – Scary Wombat Oct 28 at 0:13 vorp github 34 % of women consider themselves fans of professional baseball. you randomly select six women and ask each if she considers herself a fan of professional baseball. complete parts (a) through (d) below. on average, out of 6 women would consider themselves baseball fans. the standard deviation is women, so in most samples of 6 women, the number of women who consider themselves baseball fans ... Find step-by-step Pre-algebra solutions and your answer to the following textbook question: The sum of two numbers is 18. Their difference is 8. a. If the numbers are x and y, write a system of equations to describe their sum and their difference. b. Solve the system to find the numbers.. look cinemas reston Given the sum of two numbers is 18 and their difference is 4. Let the two numbers be x, y. By the given data, we can express them as. x + y = 18 --- [a] and x - y = 4 --- [b] Add [a] and [b] (x + y) + (x - y) = 18 + 4. 2x = 22. x = 11. Put x = 11 in [a], we get 11 + y = 18. y = 18 - 11. y = 7. Therefore, the two numbers are 11 and 7 ms rachel cast Find step-by-step Pre-algebra solutions and your answer to the following textbook question: The sum of two numbers is 18. Their difference is 8. a. If the numbers are x and y, write a system of equations to describe their sum and their difference. b. Solve the system to find the numbers..by: Anonymous. x + y = 15 tells you that the set of real numbers can range from 15 to 0. We already know 15 and 0 won't work because 15 - 0 = 15 (not 7). We need to adjust the 15 and 0 so the difference drops by 8 (the difference of 7 is 15-8). Half of that drop: 4 (8/2 =4) tells us how much to subtract from the greatest possible value (15) and ...Translate the given info: "The sum of two numbers is 42"-->. "Their difference is 6"-->. So we get the system. Solved by pluggable solver: Solving a linear system of equations by subsitution. Lets start with the given system of linear equations. Now in order to solve this system by using substitution, we need to solve (or isolate) one variable.Answer: The sum means to add two numbers so we can write : x + y = 18. Then, their difference is 4 which can be written : x - y = 4. The best way to determine this is to set one of the variables on one side of an equation to use in the second equation. This takes a bit of algebra. freightliner step van specs