Respuesta :

Answer:

3x - 3 = -12

X = -3

-3 x 3 = -9

-9 - 3 = -12

Hope this helps

Answer:

x=-3

Step-by-step explanation:

[tex]3x - 3 = - 12 \\ 3x = - 12 + 3 \\ 3x = - 9 \\ x = \frac{ - 9}{3} \\ x = - 3[/tex]