39=3(n-1)

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Solution for 39=3(n-1) equation: 



39=3(n-1)

We move all terms to the left:

39-(3(n-1))=0



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

3(n-1)

We multiply parentheses

3n-3

Back to the equation:

-(3n-3)



We get rid of parentheses

-3n+3+39=0

We add all the numbers together, and all the variables

-3n+42=0

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

-3n=-42

n=-42/-3

n=+14

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