-21m=-630

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Solution for -21m=-630 equation: 



-21m=-630

We move all terms to the left:

-21m-(-630)=0

We add all the numbers together, and all the variables

-21m+630=0

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

-21m=-630

m=-630/-21

m=+30

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