-36=-4(r+4)

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Solution for -36=-4(r+4) equation: 



-36=-4(r+4)

We move all terms to the left:

-36-(-4(r+4))=0



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

-4(r+4)

We multiply parentheses

-4r-16

Back to the equation:

-(-4r-16)



We get rid of parentheses

4r+16-36=0

We add all the numbers together, and all the variables

4r-20=0

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

4r=20

r=20/4

r=5

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