-13m+5m=18-90

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Solution for -13m+5m=18-90 equation: 


Simplifying
-13m + 5m = 18 + -90

Combine like terms: -13m + 5m = -8m
-8m = 18 + -90

Combine like terms: 18 + -90 = -72
-8m = -72

Solving
-8m = -72

Solving for variable 'm'.

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

Divide each side by '-8'.
m = 9

Simplifying
m = 9

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