Question

What is the solution of the equation: -3m - 21 =-6

answer choices
-45
-5
9
-81

Answer 1

-5

Explanation:

-3m-21=-6

switch sides to remove the negative sign

6-21=3m

-15=3m

-15/3=m

m=-5

Answer 2

-5

Explanation:

Add 21 to both sides:

-3m - 21 = -6

-3m = 15

Divide each side by -3

m = -5