A(n)=0.5+(n-1)(3.5)

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Solution for A(n)=0.5+(n-1)(3.5) equation: 


Simplifying
A(n) = 0.5 + (n + -1)(3.5)

Multiply A * n
nA = 0.5 + (n + -1)(3.5)

Reorder the terms:
nA = 0.5 + (-1 + n)(3.5)

Reorder the terms for easier multiplication:
nA = 0.5 + 3.5(-1 + n)
nA = 0.5 + (-1 * 3.5 + n * 3.5)
nA = 0.5 + (-3.5 + 3.5n)

Combine like terms: 0.5 + -3.5 = -3
nA = -3 + 3.5n

Solving
nA = -3 + 3.5n

Solving for variable 'n'.

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

Add '-3.5n' to each side of the equation.
-3.5n + nA = -3 + 3.5n + -3.5n

Combine like terms: 3.5n + -3.5n = 0.0
-3.5n + nA = -3 + 0.0
-3.5n + nA = -3

Reorder the terms:
3 + -3.5n + nA = -3 + 3

Combine like terms: -3 + 3 = 0
3 + -3.5n + nA = 0

The solution to this equation could not be determined.

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