-5(-3r-3)+5r+4=-1

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Solution for -5(-3r-3)+5r+4=-1 equation: 



-5(-3r-3)+5r+4=-1

We move all terms to the left:

-5(-3r-3)+5r+4-(-1)=0

We add all the numbers together, and all the variables

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

We multiply parentheses

5r+15r+15+5=0

We add all the numbers together, and all the variables

20r+20=0

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

20r=-20

r=-20/20

r=-1

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