83=-7(4r-2)+5r

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Solution for 83=-7(4r-2)+5r equation: 



83=-7(4r-2)+5r

We move all terms to the left:

83-(-7(4r-2)+5r)=0



We calculate terms in parentheses: -(-7(4r-2)+5r), so:

-7(4r-2)+5r

We add all the numbers together, and all the variables

5r-7(4r-2)

We multiply parentheses

5r-28r+14

We add all the numbers together, and all the variables

-23r+14

Back to the equation:

-(-23r+14)



We get rid of parentheses

23r-14+83=0

We add all the numbers together, and all the variables

23r+69=0

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

23r=-69

r=-69/23

r=-3

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