-5-2m=15-7m

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Solution for -5-2m=15-7m equation: 



-5-2m=15-7m

We move all terms to the left:

-5-2m-(15-7m)=0

We add all the numbers together, and all the variables

-2m-(-7m+15)-5=0

We get rid of parentheses

-2m+7m-15-5=0

We add all the numbers together, and all the variables

5m-20=0

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

5m=20

m=20/5

m=4

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