an=2an-1-an-2

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Solution for an=2an-1-an-2 equation:


Simplifying
an = 2an + -1 + -1an + -2

Reorder the terms:
an = -1 + -2 + 2an + -1an

Combine like terms: -1 + -2 = -3
an = -3 + 2an + -1an

Combine like terms: 2an + -1an = 1an
an = -3 + 1an

Solving
an = -3 + 1an

Solving for variable 'a'.

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

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

Combine like terms: an + -1an = 0
0 = -3 + 1an + -1an

Combine like terms: 1an + -1an = 0
0 = -3 + 0
0 = -3

Simplifying
0 = -3

Combine like terms: 0 + 3 = 3
3 = -3 + 3

Combine like terms: -3 + 3 = 0
3 = 0

The solution to this equation could not be determined.

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