12m=9m+84

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Solution for 12m=9m+84 equation: 



12m=9m+84

We move all terms to the left:

12m-(9m+84)=0

We get rid of parentheses

12m-9m-84=0

We add all the numbers together, and all the variables

3m-84=0

We move all terms containing m to the left, all other terms to the right

3m=84

m=84/3

m=28

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