f(n)=-5n+15

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Solution for f(n)=-5n+15 equation: 


Simplifying
f(n) = -5n + 15

Multiply f * n
fn = -5n + 15

Reorder the terms:
fn = 15 + -5n

Solving
fn = 15 + -5n

Solving for variable 'f'.

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

Divide each side by 'n'.
f = 15n-1 + -5

Simplifying
f = 15n-1 + -5

Reorder the terms:
f = -5 + 15n-1

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