2r-15=9r+18

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Solution for 2r-15=9r+18 equation: 



2r-15=9r+18

We move all terms to the left:

2r-15-(9r+18)=0

We get rid of parentheses

2r-9r-18-15=0

We add all the numbers together, and all the variables

-7r-33=0

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

-7r=33

r=33/-7

r=-4+5/7

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