an=3+.3(n-1)

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


Simplifying
an = 3 + 0.3(n + -1)

Reorder the terms:
an = 3 + 0.3(-1 + n)
an = 3 + (-1 * 0.3 + n * 0.3)
an = 3 + (-0.3 + 0.3n)

Combine like terms: 3 + -0.3 = 2.7
an = 2.7 + 0.3n

Solving
an = 2.7 + 0.3n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = 2.7n-1 + 0.3

Simplifying
a = 2.7n-1 + 0.3

Reorder the terms:
a = 0.3 + 2.7n-1

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