-54=-(5-7n)-7(n+7)

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Solution for -54=-(5-7n)-7(n+7) equation: 



-54=-(5-7n)-7(n+7)

We move all terms to the left:

-54-(-(5-7n)-7(n+7))=0

We add all the numbers together, and all the variables

-(-(-7n+5)-7(n+7))-54=0



We calculate terms in parentheses: -(-(-7n+5)-7(n+7)), so:

-(-7n+5)-7(n+7)

We multiply parentheses

-(-7n+5)-7n-49

We get rid of parentheses

7n-7n-5-49

We add all the numbers together, and all the variables

-54

Back to the equation:

-(-54)



We add all the numbers together, and all the variables

=0

n=0/1

n=0

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