7m-7=5m+15

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Solution for 7m-7=5m+15 equation: 



7m-7=5m+15

We move all terms to the left:

7m-7-(5m+15)=0

We get rid of parentheses

7m-5m-15-7=0

We add all the numbers together, and all the variables

2m-22=0

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

2m=22

m=22/2

m=11

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