an=67-3(n-1)

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Solution for an=67-3(n-1) equation: 


Simplifying
an = 67 + -3(n + -1)

Reorder the terms:
an = 67 + -3(-1 + n)
an = 67 + (-1 * -3 + n * -3)
an = 67 + (3 + -3n)

Combine like terms: 67 + 3 = 70
an = 70 + -3n

Solving
an = 70 + -3n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = 70n-1 + -3

Simplifying
a = 70n-1 + -3

Reorder the terms:
a = -3 + 70n-1

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