-m-2m=-9

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Solution for -m-2m=-9 equation: 


Simplifying
-1m + -2m = -9

Combine like terms: -1m + -2m = -3m
-3m = -9

Solving
-3m = -9

Solving for variable 'm'.

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

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

Simplifying
m = 3

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