-5r-3=18-2r

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Solution for -5r-3=18-2r equation: 



-5r-3=18-2r

We move all terms to the left:

-5r-3-(18-2r)=0

We add all the numbers together, and all the variables

-5r-(-2r+18)-3=0

We get rid of parentheses

-5r+2r-18-3=0

We add all the numbers together, and all the variables

-3r-21=0

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

-3r=21

r=21/-3

r=-7

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