3m-9=m+7

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Solution for 3m-9=m+7 equation: 



3m-9=m+7

We move all terms to the left:

3m-9-(m+7)=0

We get rid of parentheses

3m-m-7-9=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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