530=12+(n-1)7

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Solution for 530=12+(n-1)7 equation: 



530=12+(n-1)7

We move all terms to the left:

530-(12+(n-1)7)=0



We calculate terms in parentheses: -(12+(n-1)7), so:

12+(n-1)7

determiningTheFunctionDomain
(n-1)7+12

We multiply parentheses

7n-7+12

We add all the numbers together, and all the variables

7n+5

Back to the equation:

-(7n+5)



We get rid of parentheses

-7n-5+530=0

We add all the numbers together, and all the variables

-7n+525=0

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

-7n=-525

n=-525/-7

n=+75

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