-7m+3=-9-9m

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



-7m+3=-9-9m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

2m+12=0

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

2m=-12

m=-12/2

m=-6

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