23+4r=-7(r-8)

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Solution for 23+4r=-7(r-8) equation: 



23+4r=-7(r-8)

We move all terms to the left:

23+4r-(-7(r-8))=0



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

-7(r-8)

We multiply parentheses

-7r+56

Back to the equation:

-(-7r+56)



We get rid of parentheses

4r+7r-56+23=0

We add all the numbers together, and all the variables

11r-33=0

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

11r=33

r=33/11

r=3

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