18r+15=69-9r

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Solution for 18r+15=69-9r equation: 



18r+15=69-9r

We move all terms to the left:

18r+15-(69-9r)=0

We add all the numbers together, and all the variables

18r-(-9r+69)+15=0

We get rid of parentheses

18r+9r-69+15=0

We add all the numbers together, and all the variables

27r-54=0

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

27r=54

r=54/27

r=2

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