-m+7=-9+7m

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



-m+7=-9+7m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-8m+16=0

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

-8m=-16

m=-16/-8

m=+2

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