3(4m+7)+8m=81

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Solution for 3(4m+7)+8m=81 equation: 


Simplifying
3(4m + 7) + 8m = 81

Reorder the terms:
3(7 + 4m) + 8m = 81
(7 * 3 + 4m * 3) + 8m = 81
(21 + 12m) + 8m = 81

Combine like terms: 12m + 8m = 20m
21 + 20m = 81

Solving
21 + 20m = 81

Solving for variable 'm'.

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

Add '-21' to each side of the equation.
21 + -21 + 20m = 81 + -21

Combine like terms: 21 + -21 = 0
0 + 20m = 81 + -21
20m = 81 + -21

Combine like terms: 81 + -21 = 60
20m = 60

Divide each side by '20'.
m = 3

Simplifying
m = 3

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