an=9n-18

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Solution for an=9n-18 equation: 


Simplifying
an = 9n + -18

Reorder the terms:
an = -18 + 9n

Solving
an = -18 + 9n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = -18n-1 + 9

Simplifying
a = -18n-1 + 9

Reorder the terms:
a = 9 + -18n-1

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