20(r+1)=20

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Solution for 20(r+1)=20 equation: 



20(r+1)=20

We move all terms to the left:

20(r+1)-(20)=0

We multiply parentheses

20r+20-20=0

We add all the numbers together, and all the variables

20r=0

r=0/20

r=0

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