an=-3an-1

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Solution for an=-3an-1 equation: 


Simplifying
an = -3an + -1

Reorder the terms:
an = -1 + -3an

Solving
an = -1 + -3an

Solving for variable 'a'.

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

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

Combine like terms: an + 3an = 4an
4an = -1 + -3an + 3an

Combine like terms: -3an + 3an = 0
4an = -1 + 0
4an = -1

Divide each side by '4n'.
a = -0.25n-1

Simplifying
a = -0.25n-1

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