19=-4(4+7k)+7(4K+5)

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Solution for 19=-4(4+7k)+7(4K+5) equation: 



19=-4(4+7k)+7(4+5)

We move all terms to the left:

19-(-4(4+7k)+7(4+5))=0

We add all the numbers together, and all the variables

-(-4(7k+4)+79)+19=0



We calculate terms in parentheses: -(-4(7k+4)+79), so:

-4(7k+4)+79

We multiply parentheses

-28k-16+79

We add all the numbers together, and all the variables

-28k+63

Back to the equation:

-(-28k+63)



We get rid of parentheses

28k-63+19=0

We add all the numbers together, and all the variables

28k-44=0

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

28k=44

k=44/28

k=1+4/7

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