12+2m=m+3

Solution for 12+2m=m+3 equation:

Simplifying
12 + 2m = m + 3

Reorder the terms:
12 + 2m = 3 + m

Solving
12 + 2m = 3 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
12 + 2m + -1m = 3 + m + -1m

Combine like terms: 2m + -1m = 1m
12 + 1m = 3 + m + -1m

Combine like terms: m + -1m = 0
12 + 1m = 3 + 0
12 + 1m = 3

Add '-12' to each side of the equation.
12 + -12 + 1m = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 1m = 3 + -12
1m = 3 + -12

Combine like terms: 3 + -12 = -9
1m = -9

Divide each side by '1'.
m = -9

Simplifying
m = -9