-7r-15=2r;-3

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Solution for -7r-15=2r;-3 equation: 



-7r-15=2r-3

We move all terms to the left:

-7r-15-(2r-3)=0

We get rid of parentheses

-7r-2r+3-15=0

We add all the numbers together, and all the variables

-9r-12=0

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

-9r=12

r=12/-9

r=-1+1/3

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