55=-5(3r+3)=r

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Solution for 55=-5(3r+3)=r equation: 



55=-5(3r+3)=r

We move all terms to the left:

55-(-5(3r+3))=0



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

-5(3r+3)

We multiply parentheses

-15r-15

Back to the equation:

-(-15r-15)



We get rid of parentheses

15r+15+55=0

We add all the numbers together, and all the variables

15r+70=0

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

15r=-70

r=-70/15

r=-4+2/3

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