69=13+8(n-1)

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Solution for 69=13+8(n-1) equation: 



69=13+8(n-1)

We move all terms to the left:

69-(13+8(n-1))=0



We calculate terms in parentheses: -(13+8(n-1)), so:

13+8(n-1)

determiningTheFunctionDomain
8(n-1)+13

We multiply parentheses

8n-8+13

We add all the numbers together, and all the variables

8n+5

Back to the equation:

-(8n+5)



We get rid of parentheses

-8n-5+69=0

We add all the numbers together, and all the variables

-8n+64=0

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

-8n=-64

n=-64/-8

n=+8

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