m-8=3m+12

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Solution for m-8=3m+12 equation: 



m-8=3m+12

We move all terms to the left:

m-8-(3m+12)=0

We get rid of parentheses

m-3m-12-8=0

We add all the numbers together, and all the variables

-2m-20=0

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

-2m=20

m=20/-2

m=-10

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