6m+12=3m-18

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Solution for 6m+12=3m-18 equation: 



6m+12=3m-18

We move all terms to the left:

6m+12-(3m-18)=0

We get rid of parentheses

6m-3m+18+12=0

We add all the numbers together, and all the variables

3m+30=0

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

3m=-30

m=-30/3

m=-10

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