9r=(5r+8)

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Solution for 9r=(5r+8) equation: 



9r=(5r+8)

We move all terms to the left:

9r-((5r+8))=0



We calculate terms in parentheses: -((5r+8)), so:

(5r+8)

We get rid of parentheses

5r+8

Back to the equation:

-(5r+8)



We get rid of parentheses

9r-5r-8=0

We add all the numbers together, and all the variables

4r-8=0

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

4r=8

r=8/4

r=2

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