-m-3=-9+m

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



-m-3=-9+m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1m-(m-9)-3=0

We get rid of parentheses

-1m-m+9-3=0

We add all the numbers together, and all the variables

-2m+6=0

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

-2m=-6

m=-6/-2

m=+3

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