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

x = -4

Explanation:

`- 3x = 12`

Lets divide both the sides by -3.

`= > ( - 3x)/( - 3) = (12)/( - 3)`

`= > x = - 4`