36+9r=9r+9(r-6)

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Solution for 36+9r=9r+9(r-6) equation: 



36+9r=9r+9(r-6)

We move all terms to the left:

36+9r-(9r+9(r-6))=0



We calculate terms in parentheses: -(9r+9(r-6)), so:

9r+9(r-6)

We multiply parentheses

9r+9r-54

We add all the numbers together, and all the variables

18r-54

Back to the equation:

-(18r-54)



We get rid of parentheses

9r-18r+54+36=0

We add all the numbers together, and all the variables

-9r+90=0

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

-9r=-90

r=-90/-9

r=+10

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