12-3m=5+4m

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Solution for 12-3m=5+4m equation: 



12-3m=5+4m

We move all terms to the left:

12-3m-(5+4m)=0

We add all the numbers together, and all the variables

-3m-(4m+5)+12=0

We get rid of parentheses

-3m-4m-5+12=0

We add all the numbers together, and all the variables

-7m+7=0

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

-7m=-7

m=-7/-7

m=1

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