an=-4*(-3)n-1

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Solution for an=-4*(-3)n-1 equation: 


Simplifying
an = -4(-3) * n + -1

Multiply -4 * -3
an = 12n + -1

Reorder the terms:
an = -1 + 12n

Solving
an = -1 + 12n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = -1n-1 + 12

Simplifying
a = -1n-1 + 12

Reorder the terms:
a = 12 + -1n-1

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