m+7=3m-12

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Solution for m+7=3m-12 equation: 



m+7=3m-12

We move all terms to the left:

m+7-(3m-12)=0

We get rid of parentheses

m-3m+12+7=0

We add all the numbers together, and all the variables

-2m+19=0

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

-2m=-19

m=-19/-2

m=9+1/2

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