12-(3m+6)=3+4m-18

Solution for 12-(3m+6)=3+4m-18 equation:

Simplifying
12 + -1(3m + 6) = 3 + 4m + -18

Reorder the terms:
12 + -1(6 + 3m) = 3 + 4m + -18
12 + (6 * -1 + 3m * -1) = 3 + 4m + -18
12 + (-6 + -3m) = 3 + 4m + -18

Combine like terms: 12 + -6 = 6
6 + -3m = 3 + 4m + -18

Reorder the terms:
6 + -3m = 3 + -18 + 4m

Combine like terms: 3 + -18 = -15
6 + -3m = -15 + 4m

Solving
6 + -3m = -15 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
6 + -3m + -4m = -15 + 4m + -4m

Combine like terms: -3m + -4m = -7m
6 + -7m = -15 + 4m + -4m

Combine like terms: 4m + -4m = 0
6 + -7m = -15 + 0
6 + -7m = -15

Add '-6' to each side of the equation.
6 + -6 + -7m = -15 + -6

Combine like terms: 6 + -6 = 0
0 + -7m = -15 + -6
-7m = -15 + -6

Combine like terms: -15 + -6 = -21
-7m = -21

Divide each side by '-7'.
m = 3

Simplifying
m = 3