-1-7r=-8-8r

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Solution for -1-7r=-8-8r equation: 



-1-7r=-8-8r

We move all terms to the left:

-1-7r-(-8-8r)=0

We add all the numbers together, and all the variables

-7r-(-8r-8)-1=0

We get rid of parentheses

-7r+8r+8-1=0

We add all the numbers together, and all the variables

r+7=0

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

r=-7

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