-2(r-4)=-4(r-8)

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Solution for -2(r-4)=-4(r-8) equation: 



-2(r-4)=-4(r-8)

We move all terms to the left:

-2(r-4)-(-4(r-8))=0

We multiply parentheses

-2r-(-4(r-8))+8=0



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

-4(r-8)

We multiply parentheses

-4r+32

Back to the equation:

-(-4r+32)



We get rid of parentheses

-2r+4r-32+8=0

We add all the numbers together, and all the variables

2r-24=0

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

2r=24

r=24/2

r=12

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