A(1)=-5+(n-1)3

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Solution for A(1)=-5+(n-1)3 equation: 



(1)=-5+(A-1)3

We move all terms to the left:

(1)-(-5+(A-1)3)=0



We calculate terms in parentheses: -(-5+(A-1)3), so:

-5+(A-1)3

determiningTheFunctionDomain
(A-1)3-5

We multiply parentheses

3A-3-5

We add all the numbers together, and all the variables

3A-8

Back to the equation:

-(3A-8)



We get rid of parentheses

-3A+8+1=0

We add all the numbers together, and all the variables

-3A+9=0

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

-3A=-9

A=-9/-3

A=+3

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