1-7r=-8r-1

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



1-7r=-8r-1

We move all terms to the left:

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

r+2=0

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

r=-2

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