Question

-3x = 12 i really need to know this for my math exam

Answer 1

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

Answer 2

Answer:

x = -4

Step-by-step explanation:

$- 3x = 12$

Lets divide both the sides by -3.

$= > \frac{ - 3x}{ - 3} = \frac{12}{ - 3}$

$= > x = - 4$