4r-5(4r-8)=5(1+5r)

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Solution for 4r-5(4r-8)=5(1+5r) equation: 



4r-5(4r-8)=5(1+5r)

We move all terms to the left:

4r-5(4r-8)-(5(1+5r))=0

We add all the numbers together, and all the variables

4r-5(4r-8)-(5(5r+1))=0

We multiply parentheses

4r-20r-(5(5r+1))+40=0



We calculate terms in parentheses: -(5(5r+1)), so:

5(5r+1)

We multiply parentheses

25r+5

Back to the equation:

-(25r+5)



We add all the numbers together, and all the variables

-16r-(25r+5)+40=0

We get rid of parentheses

-16r-25r-5+40=0

We add all the numbers together, and all the variables

-41r+35=0

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

-41r=-35

r=-35/-41

r=35/41

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