-12r+20=12r-1

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Solution for -12r+20=12r-1 equation: 



-12r+20=12r-1

We move all terms to the left:

-12r+20-(12r-1)=0

We get rid of parentheses

-12r-12r+1+20=0

We add all the numbers together, and all the variables

-24r+21=0

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

-24r=-21

r=-21/-24

r=7/8

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