m+m+6+(m+6)*3=89

Solution for m+m+6+(m+6)*3=89 equation:

Simplifying
m + m + 6 + (m + 6) * 3 = 89

Reorder the terms:
m + m + 6 + (6 + m) * 3 = 89

Reorder the terms for easier multiplication:
m + m + 6 + 3(6 + m) = 89
m + m + 6 + (6 * 3 + m * 3) = 89
m + m + 6 + (18 + 3m) = 89

Reorder the terms:
6 + 18 + m + m + 3m = 89

Combine like terms: 6 + 18 = 24
24 + m + m + 3m = 89

Combine like terms: m + m = 2m
24 + 2m + 3m = 89

Combine like terms: 2m + 3m = 5m
24 + 5m = 89

Solving
24 + 5m = 89

Solving for variable 'm'.

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

Add '-24' to each side of the equation.
24 + -24 + 5m = 89 + -24

Combine like terms: 24 + -24 = 0
0 + 5m = 89 + -24
5m = 89 + -24

Combine like terms: 89 + -24 = 65
5m = 65

Divide each side by '5'.
m = 13

Simplifying
m = 13