-4(1-4r)=3(7r-8)

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Solution for -4(1-4r)=3(7r-8) equation: 



-4(1-4r)=3(7r-8)

We move all terms to the left:

-4(1-4r)-(3(7r-8))=0

We add all the numbers together, and all the variables

-4(-4r+1)-(3(7r-8))=0

We multiply parentheses

16r-(3(7r-8))-4=0



We calculate terms in parentheses: -(3(7r-8)), so:

3(7r-8)

We multiply parentheses

21r-24

Back to the equation:

-(21r-24)



We get rid of parentheses

16r-21r+24-4=0

We add all the numbers together, and all the variables

-5r+20=0

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

-5r=-20

r=-20/-5

r=+4

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