r=-3+4(-9r+5)

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Solution for r=-3+4(-9r+5) equation: 



r=-3+4(-9r+5)

We move all terms to the left:

r-(-3+4(-9r+5))=0



We calculate terms in parentheses: -(-3+4(-9r+5)), so:

-3+4(-9r+5)

determiningTheFunctionDomain
4(-9r+5)-3

We multiply parentheses

-36r+20-3

We add all the numbers together, and all the variables

-36r+17

Back to the equation:

-(-36r+17)



We get rid of parentheses

r+36r-17=0

We add all the numbers together, and all the variables

37r-17=0

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

37r=17

r=17/37

r=17/37

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