-19=-3(-7n-3)-7(2n+8)

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Solution for -19=-3(-7n-3)-7(2n+8) equation: 



-19=-3(-7n-3)-7(2n+8)

We move all terms to the left:

-19-(-3(-7n-3)-7(2n+8))=0



We calculate terms in parentheses: -(-3(-7n-3)-7(2n+8)), so:

-3(-7n-3)-7(2n+8)

We multiply parentheses

21n-14n+9-56

We add all the numbers together, and all the variables

7n-47

Back to the equation:

-(7n-47)



We get rid of parentheses

-7n+47-19=0

We add all the numbers together, and all the variables

-7n+28=0

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

-7n=-28

n=-28/-7

n=+4

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