8r+15=18r-5

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Solution for 8r+15=18r-5 equation: 



8r+15=18r-5

We move all terms to the left:

8r+15-(18r-5)=0

We get rid of parentheses

8r-18r+5+15=0

We add all the numbers together, and all the variables

-10r+20=0

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

-10r=-20

r=-20/-10

r=+2

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