27-7n=-7n-3(-1+n)

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Solution for 27-7n=-7n-3(-1+n) equation: 



27-7n=-7n-3(-1+n)

We move all terms to the left:

27-7n-(-7n-3(-1+n))=0

We add all the numbers together, and all the variables

-7n-(-7n-3(n-1))+27=0



We calculate terms in parentheses: -(-7n-3(n-1)), so:

-7n-3(n-1)

We multiply parentheses

-7n-3n+3

We add all the numbers together, and all the variables

-10n+3

Back to the equation:

-(-10n+3)



We get rid of parentheses

-7n+10n-3+27=0

We add all the numbers together, and all the variables

3n+24=0

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

3n=-24

n=-24/3

n=-8

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