An=(3)n-1

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Solution for An=(3)n-1 equation: 


Simplifying
An = (3) * n + -1

Reorder the terms:
nA = -1 + 3n

Solving
nA = -1 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-3n + nA = -1 + 3n + -3n

Combine like terms: 3n + -3n = 0
-3n + nA = -1 + 0
-3n + nA = -1

Reorder the terms:
1 + -3n + nA = -1 + 1

Combine like terms: -1 + 1 = 0
1 + -3n + nA = 0

The solution to this equation could not be determined.

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