-36-8r=7(4+8r)

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Solution for -36-8r=7(4+8r) equation: 



-36-8r=7(4+8r)

We move all terms to the left:

-36-8r-(7(4+8r))=0

We add all the numbers together, and all the variables

-8r-(7(8r+4))-36=0



We calculate terms in parentheses: -(7(8r+4)), so:

7(8r+4)

We multiply parentheses

56r+28

Back to the equation:

-(56r+28)



We get rid of parentheses

-8r-56r-28-36=0

We add all the numbers together, and all the variables

-64r-64=0

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

-64r=64

r=64/-64

r=-1

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