Question

Simply -3x - 4 = -16

Answer 1

3x = 12

Explanation:

-3x -4 = -16

+4 = +4

-3x + 0 = -12

-3x = -12

-3x/- = -12/-

3x = 12

Answer 2

x= 4

Explanation:

`-3x-4=-16\\\\-(-3x-4)=-(-16)\\\\-(-3x)-(-4)=16\\\\3x+4=16\\\\3x=16-4\\\\3x=12\\\\(1)/(3)(3x)=(1)/(3)(12)\\\\x=4`