-28+4r=4(r-7)

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Solution for -28+4r=4(r-7) equation: 



-28+4r=4(r-7)

We move all terms to the left:

-28+4r-(4(r-7))=0



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

4(r-7)

We multiply parentheses

4r-28

Back to the equation:

-(4r-28)



We get rid of parentheses

4r-4r+28-28=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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