17=-2(-3-5n)-(n+7)

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Solution for 17=-2(-3-5n)-(n+7) equation: 



17=-2(-3-5n)-(n+7)

We move all terms to the left:

17-(-2(-3-5n)-(n+7))=0

We add all the numbers together, and all the variables

-(-2(-5n-3)-(n+7))+17=0



We calculate terms in parentheses: -(-2(-5n-3)-(n+7)), so:

-2(-5n-3)-(n+7)

We multiply parentheses

10n-(n+7)+6

We get rid of parentheses

10n-n-7+6

We add all the numbers together, and all the variables

9n-1

Back to the equation:

-(9n-1)



We get rid of parentheses

-9n+1+17=0

We add all the numbers together, and all the variables

-9n+18=0

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

-9n=-18

n=-18/-9

n=+2

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