3m-15=m+7

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Solution for 3m-15=m+7 equation: 



3m-15=m+7

We move all terms to the left:

3m-15-(m+7)=0

We get rid of parentheses

3m-m-7-15=0

We add all the numbers together, and all the variables

2m-22=0

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

2m=22

m=22/2

m=11

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