4(3+6m)+3m=-123

Solution for 4(3+6m)+3m=-123 equation:

Simplifying
4(3 + 6m) + 3m = -123
(3 * 4 + 6m * 4) + 3m = -123
(12 + 24m) + 3m = -123

Combine like terms: 24m + 3m = 27m
12 + 27m = -123

Solving
12 + 27m = -123

Solving for variable 'm'.

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

Add '-12' to each side of the equation.
12 + -12 + 27m = -123 + -12

Combine like terms: 12 + -12 = 0
0 + 27m = -123 + -12
27m = -123 + -12

Combine like terms: -123 + -12 = -135
27m = -135

Divide each side by '27'.
m = -5

Simplifying
m = -5