Question

Solve.
X = -7
4x - 4y = 12
(x,y)

Answer 1

(-7, -10)

`x=-7\\y=-10`

Explanation:

`4x-4y=12`

Substitute x for -7.

`4(-7)-4y=12`

Multiply 4 by -7.

`-28-4y=12`

Add 28 on both sides.

`-4y=40`

Divide -4 on both sides.

`y=-10`