79=2r-7(-3r-8)

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Solution for 79=2r-7(-3r-8) equation: 



79=2r-7(-3r-8)

We move all terms to the left:

79-(2r-7(-3r-8))=0



We calculate terms in parentheses: -(2r-7(-3r-8)), so:

2r-7(-3r-8)

We multiply parentheses

2r+21r+56

We add all the numbers together, and all the variables

23r+56

Back to the equation:

-(23r+56)



We get rid of parentheses

-23r-56+79=0

We add all the numbers together, and all the variables

-23r+23=0

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

-23r=-23

r=-23/-23

r=1

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