-5-9r=13-18r

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Solution for -5-9r=13-18r equation: 



-5-9r=13-18r

We move all terms to the left:

-5-9r-(13-18r)=0

We add all the numbers together, and all the variables

-9r-(-18r+13)-5=0

We get rid of parentheses

-9r+18r-13-5=0

We add all the numbers together, and all the variables

9r-18=0

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

9r=18

r=18/9

r=2

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