-72=4(-4r-6)

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Solution for -72=4(-4r-6) equation: 



-72=4(-4r-6)

We move all terms to the left:

-72-(4(-4r-6))=0



We calculate terms in parentheses: -(4(-4r-6)), so:

4(-4r-6)

We multiply parentheses

-16r-24

Back to the equation:

-(-16r-24)



We get rid of parentheses

16r+24-72=0

We add all the numbers together, and all the variables

16r-48=0

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

16r=48

r=48/16

r=3

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