-7-7m=-9m+9

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



-7-7m=-9m+9

We move all terms to the left:

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

We get rid of parentheses

-7m+9m-9-7=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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