-8x+4=36
Subtract 4 from each side: -8x=32
Divide each side by -8: x=-4
D: x=-4
-8x + 4 = 36
Subract 4 on both sides
-8x + 4 - 4 = 36 - 4
-8x = 32
Then divide both sides by -8
-8x/-8 = 32/-8
x = -4
So the answer is D: x = -4
Hope this helps ;P