12+3m=7m

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Solution for 12+3m=7m equation: 



12+3m=7m

We move all terms to the left:

12+3m-(7m)=0

We add all the numbers together, and all the variables

-4m+12=0

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

-4m=-12

m=-12/-4

m=+3

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