63=-4(r-5)-(r-8)

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Solution for 63=-4(r-5)-(r-8) equation: 



63=-4(r-5)-(r-8)

We move all terms to the left:

63-(-4(r-5)-(r-8))=0



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

-4(r-5)-(r-8)

We multiply parentheses

-4r-(r-8)+20

We get rid of parentheses

-4r-r+8+20

We add all the numbers together, and all the variables

-5r+28

Back to the equation:

-(-5r+28)



We get rid of parentheses

5r-28+63=0

We add all the numbers together, and all the variables

5r+35=0

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

5r=-35

r=-35/5

r=-7

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