3m+4+2m=7m-12

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Solution for 3m+4+2m=7m-12 equation: 



3m+4+2m=7m-12

We move all terms to the left:

3m+4+2m-(7m-12)=0

We add all the numbers together, and all the variables

5m-(7m-12)+4=0

We get rid of parentheses

5m-7m+12+4=0

We add all the numbers together, and all the variables

-2m+16=0

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

-2m=-16

m=-16/-2

m=+8

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