9m-8=12m+7

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Solution for 9m-8=12m+7 equation:


Simplifying
9m + -8 = 12m + 7

Reorder the terms:
-8 + 9m = 12m + 7

Reorder the terms:
-8 + 9m = 7 + 12m

Solving
-8 + 9m = 7 + 12m

Solving for variable 'm'.

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

Add '-12m' to each side of the equation.
-8 + 9m + -12m = 7 + 12m + -12m

Combine like terms: 9m + -12m = -3m
-8 + -3m = 7 + 12m + -12m

Combine like terms: 12m + -12m = 0
-8 + -3m = 7 + 0
-8 + -3m = 7

Add '8' to each side of the equation.
-8 + 8 + -3m = 7 + 8

Combine like terms: -8 + 8 = 0
0 + -3m = 7 + 8
-3m = 7 + 8

Combine like terms: 7 + 8 = 15
-3m = 15

Divide each side by '-3'.
m = -5

Simplifying
m = -5

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