Answer:
x = 4
Step-by-step explanation:
-7x - 8 = -10x + 4
-7x - 8 + 8 = -10x + 4 + 8
-7x = -10x + 12
-7x + 10x = -10x + 12 + 10x
3x = 12
[tex]\frac{3x}{3}[/tex] = [tex]\frac{12}{3}[/tex]
