34=-8+3(r+9)

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Solution for 34=-8+3(r+9) equation: 



34=-8+3(r+9)

We move all terms to the left:

34-(-8+3(r+9))=0



We calculate terms in parentheses: -(-8+3(r+9)), so:

-8+3(r+9)

determiningTheFunctionDomain
3(r+9)-8

We multiply parentheses

3r+27-8

We add all the numbers together, and all the variables

3r+19

Back to the equation:

-(3r+19)



We get rid of parentheses

-3r-19+34=0

We add all the numbers together, and all the variables

-3r+15=0

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

-3r=-15

r=-15/-3

r=+5

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