12m+9=8m+13

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Solution for 12m+9=8m+13 equation: 



12m+9=8m+13

We move all terms to the left:

12m+9-(8m+13)=0

We get rid of parentheses

12m-8m-13+9=0

We add all the numbers together, and all the variables

4m-4=0

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

4m=4

m=4/4

m=1

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