-9+15=-6(m+1)

Solution for -9+15=-6(m+1) equation:

Simplifying
-9 + 15 = -6(m + 1)

Combine like terms: -9 + 15 = 6
6 = -6(m + 1)

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

Solving
6 = -6 + -6m

Solving for variable 'm'.

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

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

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

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

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

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

Divide each side by '6'.
m = -2

Simplifying
m = -2