13m-15m-7=-5

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Solution for 13m-15m-7=-5 equation: 



13m-15m-7=-5

We move all terms to the left:

13m-15m-7-(-5)=0

We add all the numbers together, and all the variables

-2m-2=0

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

-2m=2

m=2/-2

m=-1

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