3m-m=-2m

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Solution for 3m-m=-2m equation: 


Simplifying
3m + -1m = -2m

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

Solving
2m = -2m

Solving for variable 'm'.

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

Add '2m' to each side of the equation.
2m + 2m = -2m + 2m

Combine like terms: 2m + 2m = 4m
4m = -2m + 2m

Combine like terms: -2m + 2m = 0
4m = 0

Divide each side by '4'.
m = 0

Simplifying
m = 0

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