-19+4n=-7(-n+4)

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Solution for -19+4n=-7(-n+4) equation: 



-19+4n=-7(-n+4)

We move all terms to the left:

-19+4n-(-7(-n+4))=0

We add all the numbers together, and all the variables

4n-(-7(-1n+4))-19=0



We calculate terms in parentheses: -(-7(-1n+4)), so:

-7(-1n+4)

We multiply parentheses

7n-28

Back to the equation:

-(7n-28)



We get rid of parentheses

4n-7n+28-19=0

We add all the numbers together, and all the variables

-3n+9=0

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

-3n=-9

n=-9/-3

n=+3

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