(18m+6)-(6m-9)=

Solution for (18m+6)-(6m-9)= equation:

Simplifying
(18m + 6) + -1(6m + -9) = 0

Reorder the terms:
(6 + 18m) + -1(6m + -9) = 0

Remove parenthesis around (6 + 18m)
6 + 18m + -1(6m + -9) = 0

Reorder the terms:
6 + 18m + -1(-9 + 6m) = 0
6 + 18m + (-9 * -1 + 6m * -1) = 0
6 + 18m + (9 + -6m) = 0

Reorder the terms:
6 + 9 + 18m + -6m = 0

Combine like terms: 6 + 9 = 15
15 + 18m + -6m = 0

Combine like terms: 18m + -6m = 12m
15 + 12m = 0

Solving
15 + 12m = 0

Solving for variable 'm'.

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

Add '-15' to each side of the equation.
15 + -15 + 12m = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 12m = 0 + -15
12m = 0 + -15

Combine like terms: 0 + -15 = -15
12m = -15

Divide each side by '12'.
m = -1.25

Simplifying
m = -1.25