-20r-2r-20=-18r+20

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Solution for -20r-2r-20=-18r+20 equation: 



-20r-2r-20=-18r+20

We move all terms to the left:

-20r-2r-20-(-18r+20)=0

We add all the numbers together, and all the variables

-22r-(-18r+20)-20=0

We get rid of parentheses

-22r+18r-20-20=0

We add all the numbers together, and all the variables

-4r-40=0

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

-4r=40

r=40/-4

r=-10

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