Question

What is the solution to the system of equations?

x + y = 7
2x - y = 2

Answer 1

Answer:

x=3 and y=4

Step-by-step explanation:

3 + 4 = 7

2*3=6 - 4 = 2

Answer 2

x=-5 , y = 12

x+y = 7

2x-y = 2

x+y = 7

-

2x-y = 2

__________

-x -0 = 5

x=-5

-5+y=7

y=7+5

y=12