f(n)=8+3(n-1)

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Solution for f(n)=8+3(n-1) equation: 


Simplifying
f(n) = 8 + 3(n + -1)

Multiply f * n
fn = 8 + 3(n + -1)

Reorder the terms:
fn = 8 + 3(-1 + n)
fn = 8 + (-1 * 3 + n * 3)
fn = 8 + (-3 + 3n)

Combine like terms: 8 + -3 = 5
fn = 5 + 3n

Solving
fn = 5 + 3n

Solving for variable 'f'.

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

Divide each side by 'n'.
f = 5n-1 + 3

Simplifying
f = 5n-1 + 3

Reorder the terms:
f = 3 + 5n-1

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