28=-2(-7+n)

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Solution for 28=-2(-7+n) equation: 



28=-2(-7+n)

We move all terms to the left:

28-(-2(-7+n))=0

We add all the numbers together, and all the variables

-(-2(n-7))+28=0



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

-2(n-7)

We multiply parentheses

-2n+14

Back to the equation:

-(-2n+14)



We get rid of parentheses

2n-14+28=0

We add all the numbers together, and all the variables

2n+14=0

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

2n=-14

n=-14/2

n=-7

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