m+7+m=m+12+3

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Solution for m+7+m=m+12+3 equation: 



m+7+m=m+12+3

We move all terms to the left:

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

We add all the numbers together, and all the variables

m+m-(m+15)+7=0

We add all the numbers together, and all the variables

2m-(m+15)+7=0

We get rid of parentheses

2m-m-15+7=0

We add all the numbers together, and all the variables

m-8=0

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

m=8

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