f(n)=1+2(n-1)

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Solution for f(n)=1+2(n-1) equation: 


Simplifying
f(n) = 1 + 2(n + -1)

Multiply f * n
fn = 1 + 2(n + -1)

Reorder the terms:
fn = 1 + 2(-1 + n)
fn = 1 + (-1 * 2 + n * 2)
fn = 1 + (-2 + 2n)

Combine like terms: 1 + -2 = -1
fn = -1 + 2n

Solving
fn = -1 + 2n

Solving for variable 'f'.

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

Divide each side by 'n'.
f = -1n-1 + 2

Simplifying
f = -1n-1 + 2

Reorder the terms:
f = 2 + -1n-1

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