3m+5m-15m=9

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Solution for 3m+5m-15m=9 equation: 



3m+5m-15m=9

We move all terms to the left:

3m+5m-15m-(9)=0

We add all the numbers together, and all the variables

-7m-9=0

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

-7m=9

m=9/-7

m=-1+2/7

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