-7r-15=r+1

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Solution for -7r-15=r+1 equation: 



-7r-15=r+1

We move all terms to the left:

-7r-15-(r+1)=0

We get rid of parentheses

-7r-r-1-15=0

We add all the numbers together, and all the variables

-8r-16=0

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

-8r=16

r=16/-8

r=-2

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