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

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Solution for 0=7+9(-2n+9)+1 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(7+9(-2n+9)+1), so:

7+9(-2n+9)+1

determiningTheFunctionDomain
9(-2n+9)+7+1

We add all the numbers together, and all the variables

9(-2n+9)+8

We multiply parentheses

-18n+81+8

We add all the numbers together, and all the variables

-18n+89

Back to the equation:

-(-18n+89)



We get rid of parentheses

18n-89=0

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

18n=89

n=89/18

n=4+17/18

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