Question

-7x - 12 = - 7х + 3(-4 - x)

Answer 1

Answer:

$x=0$

Step-by-step explanation:

$-7x - 12 = - 7x + 3(-4 - x)$

Open up the parentheses

$-7x - 12 = - 7x -12-3x$

-7x cancels out on both sides

$-12 =-12-3x$

-12 cancels out on both sides

$0=-3x\\x=0$

I hope this helps!