f(n)=12n+3

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Solution for f(n)=12n+3 equation: 


Simplifying
f(n) = 12n + 3

Multiply f * n
fn = 12n + 3

Reorder the terms:
fn = 3 + 12n

Solving
fn = 3 + 12n

Solving for variable 'f'.

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

Divide each side by 'n'.
f = 3n-1 + 12

Simplifying
f = 3n-1 + 12

Reorder the terms:
f = 12 + 3n-1

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