m+5m-3m=21

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Solution for m+5m-3m=21 equation: 


Simplifying
m + 5m + -3m = 21

Combine like terms: m + 5m = 6m
6m + -3m = 21

Combine like terms: 6m + -3m = 3m
3m = 21

Solving
3m = 21

Solving for variable 'm'.

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

Divide each side by '3'.
m = 7

Simplifying
m = 7

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