12=13-3m+17

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Solution for 12=13-3m+17 equation: 



12=13-3m+17

We move all terms to the left:

12-(13-3m+17)=0

We add all the numbers together, and all the variables

-(-3m+30)+12=0

We get rid of parentheses

3m-30+12=0

We add all the numbers together, and all the variables

3m-18=0

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

3m=18

m=18/3

m=6

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