7r-5r+1=7r+1-r

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Solution for 7r-5r+1=7r+1-r equation: 



7r-5r+1=7r+1-r

We move all terms to the left:

7r-5r+1-(7r+1-r)=0

We add all the numbers together, and all the variables

7r-5r-(6r+1)+1=0

We add all the numbers together, and all the variables

2r-(6r+1)+1=0

We get rid of parentheses

2r-6r-1+1=0

We add all the numbers together, and all the variables

-4r=0

r=0/-4

r=0

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