-2(n+7)+9=31+3(3n-1)

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Solution for -2(n+7)+9=31+3(3n-1) equation: 



-2(n+7)+9=31+3(3n-1)

We move all terms to the left:

-2(n+7)+9-(31+3(3n-1))=0

We multiply parentheses

-2n-(31+3(3n-1))-14+9=0



We calculate terms in parentheses: -(31+3(3n-1)), so:

31+3(3n-1)

determiningTheFunctionDomain
3(3n-1)+31

We multiply parentheses

9n-3+31

We add all the numbers together, and all the variables

9n+28

Back to the equation:

-(9n+28)



We add all the numbers together, and all the variables

-2n-(9n+28)-5=0

We get rid of parentheses

-2n-9n-28-5=0

We add all the numbers together, and all the variables

-11n-33=0

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

-11n=33

n=33/-11

n=-3

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