12+m-6=3m-4m

Solution for 12+m-6=3m-4m equation:

Simplifying
12 + m + -6 = 3m + -4m

Reorder the terms:
12 + -6 + m = 3m + -4m

Combine like terms: 12 + -6 = 6
6 + m = 3m + -4m

Combine like terms: 3m + -4m = -1m
6 + m = -1m

Solving
6 + m = -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
6 + m + m = -1m + m

Combine like terms: m + m = 2m
6 + 2m = -1m + m

Combine like terms: -1m + m = 0
6 + 2m = 0

Add '-6' to each side of the equation.
6 + -6 + 2m = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2m = 0 + -6
2m = 0 + -6

Combine like terms: 0 + -6 = -6
2m = -6

Divide each side by '2'.
m = -3

Simplifying
m = -3