Question

−3x − 3 = 12

Answer 1

You need to isolate x dude.

Answer 2

Add three to Both sides you get -3x=15 Then you Divide -3 by 12 and you get -5

Answer 3

\[-3x=12+3=15\]

Answer 4

\[\LARGE{\color{red}{x=\frac{15}{-3}=-5}}\]