Respuesta :
Answer:
x = -4
Step-by-step explanation:
[tex] - 3x = 12[/tex]
Lets divide both the sides by -3.
[tex] = > \frac{ - 3x}{ - 3} = \frac{12}{ - 3} [/tex]
[tex] = > x = - 4[/tex]
x= -4
-3x=12
divide x by -3 and do the same on the other side
12÷(-3)= -4
hence, x= -4
if you want to check if something is right, substitute your answer into the question
hope this helped