9-m=m-7

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Solution for 9-m=m-7 equation: 



9-m=m-7

We move all terms to the left:

9-m-(m-7)=0

We add all the numbers together, and all the variables

-1m-(m-7)+9=0

We get rid of parentheses

-1m-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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