A(n)=6+(n-1)(-2)

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Solution for A(n)=6+(n-1)(-2) equation: 


Simplifying
A(n) = 6 + (n + -1)(-2)

Multiply A * n
nA = 6 + (n + -1)(-2)

Reorder the terms:
nA = 6 + (-1 + n)(-2)

Reorder the terms for easier multiplication:
nA = 6 + -2(-1 + n)
nA = 6 + (-1 * -2 + n * -2)
nA = 6 + (2 + -2n)

Combine like terms: 6 + 2 = 8
nA = 8 + -2n

Solving
nA = 8 + -2n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '2n' to each side of the equation.
2n + nA = 8 + -2n + 2n

Combine like terms: -2n + 2n = 0
2n + nA = 8 + 0
2n + nA = 8

Reorder the terms:
-8 + 2n + nA = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + 2n + nA = 0

The solution to this equation could not be determined.

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