30=9-3(n-5)

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Solution for 30=9-3(n-5) equation: 



30=9-3(n-5)

We move all terms to the left:

30-(9-3(n-5))=0



We calculate terms in parentheses: -(9-3(n-5)), so:

9-3(n-5)

determiningTheFunctionDomain
-3(n-5)+9

We multiply parentheses

-3n+15+9

We add all the numbers together, and all the variables

-3n+24

Back to the equation:

-(-3n+24)



We get rid of parentheses

3n-24+30=0

We add all the numbers together, and all the variables

3n+6=0

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

3n=-6

n=-6/3

n=-2

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