m+81=9m-7

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Solution for m+81=9m-7 equation:


Simplifying
m + 81 = 9m + -7

Reorder the terms:
81 + m = 9m + -7

Reorder the terms:
81 + m = -7 + 9m

Solving
81 + m = -7 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
81 + m + -9m = -7 + 9m + -9m

Combine like terms: m + -9m = -8m
81 + -8m = -7 + 9m + -9m

Combine like terms: 9m + -9m = 0
81 + -8m = -7 + 0
81 + -8m = -7

Add '-81' to each side of the equation.
81 + -81 + -8m = -7 + -81

Combine like terms: 81 + -81 = 0
0 + -8m = -7 + -81
-8m = -7 + -81

Combine like terms: -7 + -81 = -88
-8m = -88

Divide each side by '-8'.
m = 11

Simplifying
m = 11

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