-16=8(4r-9)

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Solution for -16=8(4r-9) equation: 



-16=8(4r-9)

We move all terms to the left:

-16-(8(4r-9))=0



We calculate terms in parentheses: -(8(4r-9)), so:

8(4r-9)

We multiply parentheses

32r-72

Back to the equation:

-(32r-72)



We get rid of parentheses

-32r+72-16=0

We add all the numbers together, and all the variables

-32r+56=0

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

-32r=-56

r=-56/-32

r=1+3/4

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