9m-13=2m+8

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Solution for 9m-13=2m+8 equation: 



9m-13=2m+8

We move all terms to the left:

9m-13-(2m+8)=0

We get rid of parentheses

9m-2m-8-13=0

We add all the numbers together, and all the variables

7m-21=0

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

7m=21

m=21/7

m=3

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