r+1=1+7r-2r

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Solution for r+1=1+7r-2r equation: 



r+1=1+7r-2r

We move all terms to the left:

r+1-(1+7r-2r)=0

We add all the numbers together, and all the variables

r-(5r+1)+1=0

We get rid of parentheses

r-5r-1+1=0

We add all the numbers together, and all the variables

-4r=0

r=0/-4

r=0

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