-20r=-19-19r

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



-20r=-19-19r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-20r+19r+19=0

We add all the numbers together, and all the variables

-1r+19=0

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

-r=-19

r=-19/-1

r=+19

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