an=-20+(n-1)6

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Solution for an=-20+(n-1)6 equation: 


Simplifying
an = -20 + (n + -1) * 6

Reorder the terms:
an = -20 + (-1 + n) * 6

Reorder the terms for easier multiplication:
an = -20 + 6(-1 + n)
an = -20 + (-1 * 6 + n * 6)
an = -20 + (-6 + 6n)

Combine like terms: -20 + -6 = -26
an = -26 + 6n

Solving
an = -26 + 6n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = -26n-1 + 6

Simplifying
a = -26n-1 + 6

Reorder the terms:
a = 6 + -26n-1

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