-2-3-3r=-20-4r

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Solution for -2-3-3r=-20-4r equation: 



-2-3-3r=-20-4r

We move all terms to the left:

-2-3-3r-(-20-4r)=0

We add all the numbers together, and all the variables

-3r-(-4r-20)-2-3=0

We add all the numbers together, and all the variables

-3r-(-4r-20)-5=0

We get rid of parentheses

-3r+4r+20-5=0

We add all the numbers together, and all the variables

r+15=0

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

r=-15

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