1-6r=7+r-8r

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Solution for 1-6r=7+r-8r equation: 



1-6r=7+r-8r

We move all terms to the left:

1-6r-(7+r-8r)=0

We add all the numbers together, and all the variables

-6r-(-7r+7)+1=0

We get rid of parentheses

-6r+7r-7+1=0

We add all the numbers together, and all the variables

r-6=0

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

r=6

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