-39-n=-7(-7-3n)

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Solution for -39-n=-7(-7-3n) equation: 



-39-n=-7(-7-3n)

We move all terms to the left:

-39-n-(-7(-7-3n))=0

We add all the numbers together, and all the variables

-n-(-7(-3n-7))-39=0

We add all the numbers together, and all the variables

-1n-(-7(-3n-7))-39=0



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

-7(-3n-7)

We multiply parentheses

21n+49

Back to the equation:

-(21n+49)



We get rid of parentheses

-1n-21n-49-39=0

We add all the numbers together, and all the variables

-22n-88=0

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

-22n=88

n=88/-22

n=-4

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