Answer:
x = 4
Explanation:
-3(-x + 4) - 5x + 5 = -15
Use the distributive property to get rid of parentheses.
-3(-x + 4) - 5x + 5 = -15
3x - 12 - 5x + 5 = -15
Rearrange to make the x's next to each other. (to make it easier)
3x - 5x - 12 + 5 = -15
-2x - 7 = -15
Add 7 on both sides.
-2x = -8
Divide both sides by -2 to get the answer (x).
x = 4