-8+20r-8r=19r+20

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Solution for -8+20r-8r=19r+20 equation: 



-8+20r-8r=19r+20

We move all terms to the left:

-8+20r-8r-(19r+20)=0

We add all the numbers together, and all the variables

12r-(19r+20)-8=0

We get rid of parentheses

12r-19r-20-8=0

We add all the numbers together, and all the variables

-7r-28=0

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

-7r=28

r=28/-7

r=-4

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