127=n-7(7-3n)

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Solution for 127=n-7(7-3n) equation: 



127=n-7(7-3n)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(n-7(-3n+7))+127=0



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

n-7(-3n+7)

We multiply parentheses

n+21n-49

We add all the numbers together, and all the variables

22n-49

Back to the equation:

-(22n-49)



We get rid of parentheses

-22n+49+127=0

We add all the numbers together, and all the variables

-22n+176=0

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

-22n=-176

n=-176/-22

n=+8

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