9+12m-7=8m+30-3m

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Solution for 9+12m-7=8m+30-3m equation: 



9+12m-7=8m+30-3m

We move all terms to the left:

9+12m-7-(8m+30-3m)=0

We add all the numbers together, and all the variables

12m-(5m+30)+9-7=0

We add all the numbers together, and all the variables

12m-(5m+30)+2=0

We get rid of parentheses

12m-5m-30+2=0

We add all the numbers together, and all the variables

7m-28=0

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

7m=28

m=28/7

m=4

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