28=-2(n-7)-3(-7n+8)

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Solution for 28=-2(n-7)-3(-7n+8) equation: 



28=-2(n-7)-3(-7n+8)

We move all terms to the left:

28-(-2(n-7)-3(-7n+8))=0



We calculate terms in parentheses: -(-2(n-7)-3(-7n+8)), so:

-2(n-7)-3(-7n+8)

We multiply parentheses

-2n+21n+14-24

We add all the numbers together, and all the variables

19n-10

Back to the equation:

-(19n-10)



We get rid of parentheses

-19n+10+28=0

We add all the numbers together, and all the variables

-19n+38=0

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

-19n=-38

n=-38/-19

n=+2

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