A(n)=5+(n-1)(-8)

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Solution for A(n)=5+(n-1)(-8) equation: 



(A)=5+(A-1)(-8)

We move all terms to the left:

(A)-(5+(A-1)(-8))=0

We multiply parentheses ..

A-(5+(-8A+8))=0



We calculate terms in parentheses: -(5+(-8A+8)), so:

5+(-8A+8)

determiningTheFunctionDomain
(-8A+8)+5

We get rid of parentheses

-8A+8+5

We add all the numbers together, and all the variables

-8A+13

Back to the equation:

-(-8A+13)



We get rid of parentheses

A+8A-13=0

We add all the numbers together, and all the variables

9A-13=0

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

9A=13

A=13/9

A=1+4/9

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