-8=-(4r-16)-8r

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Solution for -8=-(4r-16)-8r equation: 



-8=-(4r-16)-8r

We move all terms to the left:

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



We calculate terms in parentheses: -(-(4r-16)-8r), so:

-(4r-16)-8r

We add all the numbers together, and all the variables

-8r-(4r-16)

We get rid of parentheses

-8r-4r+16

We add all the numbers together, and all the variables

-12r+16

Back to the equation:

-(-12r+16)



We get rid of parentheses

12r-16-8=0

We add all the numbers together, and all the variables

12r-24=0

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

12r=24

r=24/12

r=2

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