12-m=30-2m

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Solution for 12-m=30-2m equation: 



12-m=30-2m

We move all terms to the left:

12-m-(30-2m)=0

We add all the numbers together, and all the variables

-m-(-2m+30)+12=0

We add all the numbers together, and all the variables

-1m-(-2m+30)+12=0

We get rid of parentheses

-1m+2m-30+12=0

We add all the numbers together, and all the variables

m-18=0

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

m=18

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