Solve for both systems - 4x + 2y = - 40 and 4x + y = 22

- 4x + 2y = - 40

- 4x+4x + 2y = - 40+4x

2y = - 40+4x

2y/2 = - 40+4x/2

y=-20+2x

4x + y = 22

4x + -20+2x = 22

-20+6x = 22

-20+6x+20 = 22+20

6x=42

6x/6=42/6

x=7

y=-20+2x

y=-20+2(7)

y=-20+14=-6