28+7r=-8(5-3r)

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Solution for 28+7r=-8(5-3r) equation: 



28+7r=-8(5-3r)

We move all terms to the left:

28+7r-(-8(5-3r))=0

We add all the numbers together, and all the variables

7r-(-8(-3r+5))+28=0



We calculate terms in parentheses: -(-8(-3r+5)), so:

-8(-3r+5)

We multiply parentheses

24r-40

Back to the equation:

-(24r-40)



We get rid of parentheses

7r-24r+40+28=0

We add all the numbers together, and all the variables

-17r+68=0

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

-17r=-68

r=-68/-17

r=+4

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