3m-8m=-105

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Solution for 3m-8m=-105 equation: 


Simplifying
3m + -8m = -105

Combine like terms: 3m + -8m = -5m
-5m = -105

Solving
-5m = -105

Solving for variable 'm'.

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

Divide each side by '-5'.
m = 21

Simplifying
m = 21

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