54=-2(1-7n)

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Solution for 54=-2(1-7n) equation: 



54=-2(1-7n)

We move all terms to the left:

54-(-2(1-7n))=0

We add all the numbers together, and all the variables

-(-2(-7n+1))+54=0



We calculate terms in parentheses: -(-2(-7n+1)), so:

-2(-7n+1)

We multiply parentheses

14n-2

Back to the equation:

-(14n-2)



We get rid of parentheses

-14n+2+54=0

We add all the numbers together, and all the variables

-14n+56=0

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

-14n=-56

n=-56/-14

n=+4

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