Question

Two numbers, x and y, have a sum of 8 and a difference of -14.

A. Write a system of equations that can be used to determine the values of x and y.
B. Solve the system of equations. Show your work.

Answer 1

Answer: x=-3 and y = 11

Step-by-step explanation: x+y = 8 and x-y = - 14

From first solve y = 8-x and now Insert y to later

x -(8-x) = -14. x -8+x-14. 2x = -6 and x=-3. Y = 8-x = 11