-17=-5+9(r+8)

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Solution for -17=-5+9(r+8) equation: 



-17=-5+9(r+8)

We move all terms to the left:

-17-(-5+9(r+8))=0



We calculate terms in parentheses: -(-5+9(r+8)), so:

-5+9(r+8)

determiningTheFunctionDomain
9(r+8)-5

We multiply parentheses

9r+72-5

We add all the numbers together, and all the variables

9r+67

Back to the equation:

-(9r+67)



We get rid of parentheses

-9r-67-17=0

We add all the numbers together, and all the variables

-9r-84=0

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

-9r=84

r=84/-9

r=-9+1/3

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