-3m+m+4=12

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Solution for -3m+m+4=12 equation: 



-3m+m+4=12

We move all terms to the left:

-3m+m+4-(12)=0

We add all the numbers together, and all the variables

-2m-8=0

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

-2m=8

m=8/-2

m=-4

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