-5(-3r-3)=75

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Solution for -5(-3r-3)=75 equation: 



-5(-3r-3)=75

We move all terms to the left:

-5(-3r-3)-(75)=0

We multiply parentheses

15r+15-75=0

We add all the numbers together, and all the variables

15r-60=0

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

15r=60

r=60/15

r=4

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