Question

If (x,2) is a solution to the equation -2x+4y=-8, what is the value of x

Answer 1

y＝2
－2x＋4×2＝－8
－2x＋8＝－8
－2x＝－8－8
－2x＝－16
x＝8

Hope my answer helped u :)

Answer 2

x=8

Explanation:

-2x+4y=-8

Let y = 2

-2x+4*2=-8

-2x+8=-8

Subtract 8 from each side

-2x+8-8=-8-8

-2x=-16

Divide by -2

-2x/-2 = -16/-2

x = 8