3-11m=-2m+21

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Solution for 3-11m=-2m+21 equation: 



3-11m=-2m+21

We move all terms to the left:

3-11m-(-2m+21)=0

We get rid of parentheses

-11m+2m-21+3=0

We add all the numbers together, and all the variables

-9m-18=0

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

-9m=18

m=18/-9

m=-2

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