an=30-4n

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Solution for an=30-4n equation: 


Simplifying
an = 30 + -4n

Solving
an = 30 + -4n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = 30n-1 + -4

Simplifying
a = 30n-1 + -4

Reorder the terms:
a = -4 + 30n-1

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