-12m-13=89

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Solution for -12m-13=89 equation: 


Simplifying
-12m + -13 = 89

Reorder the terms:
-13 + -12m = 89

Solving
-13 + -12m = 89

Solving for variable 'm'.

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

Add '13' to each side of the equation.
-13 + 13 + -12m = 89 + 13

Combine like terms: -13 + 13 = 0
0 + -12m = 89 + 13
-12m = 89 + 13

Combine like terms: 89 + 13 = 102
-12m = 102

Divide each side by '-12'.
m = -8.5

Simplifying
m = -8.5

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