Solve for both systems: 2x - 5y = - 40 and 2x - 2y = - 16

2x - 2y = - 16

2x - 2y+2y = - 16+2y

2x = - 16+2y

2x/2 = - 16+2y/2

x=-8+y

2x - 5y = - 40

2(-8+y) - 5y = - 40

2(-8) (2)(+y) - 5y = - 40

-16+2y-5y=-40

-16-3y=-40

-16-3y+16=-40+16

-3y=-24

-3y/-3=-24/-3

y=8

x=-8+y

x=-8+-8

x=0