13m-9=7m+15

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Solution for 13m-9=7m+15 equation: 



13m-9=7m+15

We move all terms to the left:

13m-9-(7m+15)=0

We get rid of parentheses

13m-7m-15-9=0

We add all the numbers together, and all the variables

6m-24=0

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

6m=24

m=24/6

m=4

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