3-9m=-9-7m

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



3-9m=-9-7m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-9m+7m+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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