-93=-3(1+5r)

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Solution for -93=-3(1+5r) equation: 



-93=-3(1+5r)

We move all terms to the left:

-93-(-3(1+5r))=0

We add all the numbers together, and all the variables

-(-3(5r+1))-93=0



We calculate terms in parentheses: -(-3(5r+1)), so:

-3(5r+1)

We multiply parentheses

-15r-3

Back to the equation:

-(-15r-3)



We get rid of parentheses

15r+3-93=0

We add all the numbers together, and all the variables

15r-90=0

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

15r=90

r=90/15

r=6

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