An=15+6(n-1)

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Solution for An=15+6(n-1) equation:


Simplifying
An = 15 + 6(n + -1)

Reorder the terms:
nA = 15 + 6(-1 + n)
nA = 15 + (-1 * 6 + n * 6)
nA = 15 + (-6 + 6n)

Combine like terms: 15 + -6 = 9
nA = 9 + 6n

Solving
nA = 9 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
-6n + nA = 9 + 6n + -6n

Combine like terms: 6n + -6n = 0
-6n + nA = 9 + 0
-6n + nA = 9

Reorder the terms:
-9 + -6n + nA = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -6n + nA = 0

The solution to this equation could not be determined.

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