-7r=r+8

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Solution for -7r=r+8 equation: 



-7r=r+8

We move all terms to the left:

-7r-(r+8)=0

We get rid of parentheses

-7r-r-8=0

We add all the numbers together, and all the variables

-8r-8=0

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

-8r=8

r=8/-8

r=-1

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