7m=12+4m

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Solution for 7m=12+4m equation: 



7m=12+4m

We move all terms to the left:

7m-(12+4m)=0

We add all the numbers together, and all the variables

7m-(4m+12)=0

We get rid of parentheses

7m-4m-12=0

We add all the numbers together, and all the variables

3m-12=0

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

3m=12

m=12/3

m=4

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