19-5r=-7(2r+9)

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Solution for 19-5r=-7(2r+9) equation: 



19-5r=-7(2r+9)

We move all terms to the left:

19-5r-(-7(2r+9))=0



We calculate terms in parentheses: -(-7(2r+9)), so:

-7(2r+9)

We multiply parentheses

-14r-63

Back to the equation:

-(-14r-63)



We get rid of parentheses

-5r+14r+63+19=0

We add all the numbers together, and all the variables

9r+82=0

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

9r=-82

r=-82/9

r=-9+1/9

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