-183-6r=18r-39(r+2)

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Solution for -183-6r=18r-39(r+2) equation: 



-183-6r=18r-39(r+2)

We move all terms to the left:

-183-6r-(18r-39(r+2))=0



We calculate terms in parentheses: -(18r-39(r+2)), so:

18r-39(r+2)

We multiply parentheses

18r-39r-78

We add all the numbers together, and all the variables

-21r-78

Back to the equation:

-(-21r-78)



We get rid of parentheses

-6r+21r+78-183=0

We add all the numbers together, and all the variables

15r-105=0

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

15r=105

r=105/15

r=7

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