-7m+9=-9m+1-8

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Solution for -7m+9=-9m+1-8 equation: 



-7m+9=-9m+1-8

We move all terms to the left:

-7m+9-(-9m+1-8)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-7m+9m+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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