-7m-9=-2m-9m

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Solution for -7m-9=-2m-9m equation: 



-7m-9=-2m-9m

We move all terms to the left:

-7m-9-(-2m-9m)=0

We add all the numbers together, and all the variables

-7m-(-11m)-9=0

We get rid of parentheses

-7m+11m-9=0

We add all the numbers together, and all the variables

4m-9=0

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

4m=9

m=9/4

m=2+1/4

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