12-2m=9m+45

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Solution for 12-2m=9m+45 equation: 



12-2m=9m+45

We move all terms to the left:

12-2m-(9m+45)=0

We get rid of parentheses

-2m-9m-45+12=0

We add all the numbers together, and all the variables

-11m-33=0

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

-11m=33

m=33/-11

m=-3

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