-9(5-2r)=-20

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Solution for -9(5-2r)=-20 equation: 



-9(5-2r)=-20

We move all terms to the left:

-9(5-2r)-(-20)=0

We add all the numbers together, and all the variables

-9(-2r+5)-(-20)=0

We add all the numbers together, and all the variables

-9(-2r+5)+20=0

We multiply parentheses

18r-45+20=0

We add all the numbers together, and all the variables

18r-25=0

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

18r=25

r=25/18

r=1+7/18

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