-17.34=-2.89(r-9)

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Solution for -17.34=-2.89(r-9) equation: 



-17.34=-2.89(r-9)

We move all terms to the left:

-17.34-(-2.89(r-9))=0



We calculate terms in parentheses: -(-2.89(r-9)), so:

-2.89(r-9)

We multiply parentheses

-2.89r+26.01

Back to the equation:

-(-2.89r+26.01)



We get rid of parentheses

2.89r-26.01-17.34=0

We add all the numbers together, and all the variables

2.89r-43.35=0

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

2.89r=43.35

r=43.35/2.89

r=15

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