an=-0.2(0.3)n-1

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Solution for an=-0.2(0.3)n-1 equation: 


Simplifying
an = -0.2(0.3) * n + -1

Multiply -0.2 * 0.3
an = -0.06n + -1

Reorder the terms:
an = -1 + -0.06n

Solving
an = -1 + -0.06n

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 + -0.06

Simplifying
a = -1n-1 + -0.06

Reorder the terms:
a = -0.06 + -1n-1

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