-185=3r-4(5r+8)

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Solution for -185=3r-4(5r+8) equation: 



-185=3r-4(5r+8)

We move all terms to the left:

-185-(3r-4(5r+8))=0



We calculate terms in parentheses: -(3r-4(5r+8)), so:

3r-4(5r+8)

We multiply parentheses

3r-20r-32

We add all the numbers together, and all the variables

-17r-32

Back to the equation:

-(-17r-32)



We get rid of parentheses

17r+32-185=0

We add all the numbers together, and all the variables

17r-153=0

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

17r=153

r=153/17

r=9

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