12m-9m+m-3m=12

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Solution for 12m-9m+m-3m=12 equation: 


Simplifying
12m + -9m + m + -3m = 12

Combine like terms: 12m + -9m = 3m
3m + m + -3m = 12

Combine like terms: 3m + m = 4m
4m + -3m = 12

Combine like terms: 4m + -3m = 1m
1m = 12

Solving
1m = 12

Solving for variable 'm'.

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

Divide each side by '1'.
m = 12

Simplifying
m = 12

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