8r+20=r+20

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Solution for 8r+20=r+20 equation: 



8r+20=r+20

We move all terms to the left:

8r+20-(r+20)=0

We get rid of parentheses

8r-r-20+20=0

We add all the numbers together, and all the variables

7r=0

r=0/7

r=0

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