2m+9=12+7m

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Solution for 2m+9=12+7m equation: 



2m+9=12+7m

We move all terms to the left:

2m+9-(12+7m)=0

We add all the numbers together, and all the variables

2m-(7m+12)+9=0

We get rid of parentheses

2m-7m-12+9=0

We add all the numbers together, and all the variables

-5m-3=0

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

-5m=3

m=3/-5

m=-3/5

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