-2m-9=-3m

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Solution for -2m-9=-3m equation: 



-2m-9=-3m

We move all terms to the left:

-2m-9-(-3m)=0

We get rid of parentheses

-2m+3m-9=0

We add all the numbers together, and all the variables

m-9=0

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

m=9

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