9r=-2(5r+19)

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Solution for 9r=-2(5r+19) equation: 



9r=-2(5r+19)

We move all terms to the left:

9r-(-2(5r+19))=0



We calculate terms in parentheses: -(-2(5r+19)), so:

-2(5r+19)

We multiply parentheses

-10r-38

Back to the equation:

-(-10r-38)



We get rid of parentheses

9r+10r+38=0

We add all the numbers together, and all the variables

19r+38=0

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

19r=-38

r=-38/19

r=-2

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