m+6=3m-12

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Solution for m+6=3m-12 equation: 



m+6=3m-12

We move all terms to the left:

m+6-(3m-12)=0

We get rid of parentheses

m-3m+12+6=0

We add all the numbers together, and all the variables

-2m+18=0

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

-2m=-18

m=-18/-2

m=+9

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