3+12m=9m

Solution for 3+12m=9m equation:

Simplifying
3 + 12m = 9m

Solving
3 + 12m = 9m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-9m' to each side of the equation.
3 + 12m + -9m = 9m + -9m

Combine like terms: 12m + -9m = 3m
3 + 3m = 9m + -9m

Combine like terms: 9m + -9m = 0
3 + 3m = 0

Add '-3' to each side of the equation.
3 + -3 + 3m = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 3m = 0 + -3
3m = 0 + -3

Combine like terms: 0 + -3 = -3
3m = -3

Divide each side by '3'.
m = -1

Simplifying
m = -1