64=8(r/2)

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Solution for 64=8(r/2) equation: 



64=8(r/2)

We move all terms to the left:

64-(8(r/2))=0

We add all the numbers together, and all the variables

-(8(+r/2))+64=0

We multiply all the terms by the denominator


-(8(+r+64*2))=0



We calculate terms in parentheses: -(8(+r+64*2)), so:

8(+r+64*2)

We add all the numbers together, and all the variables

8(r+128)

We multiply parentheses

8r+1024

Back to the equation:

-(8r+1024)



We get rid of parentheses

-8r-1024=0

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

-8r=1024

r=1024/-8

r=-128

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