4r+27=-3(-7r+7)-3

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Solution for 4r+27=-3(-7r+7)-3 equation: 



4r+27=-3(-7r+7)-3

We move all terms to the left:

4r+27-(-3(-7r+7)-3)=0



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

-3(-7r+7)-3

We multiply parentheses

21r-21-3

We add all the numbers together, and all the variables

21r-24

Back to the equation:

-(21r-24)



We get rid of parentheses

4r-21r+24+27=0

We add all the numbers together, and all the variables

-17r+51=0

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

-17r=-51

r=-51/-17

r=+3

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