f(n)=5-2n

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Solution for f(n)=5-2n equation: 


Simplifying
f(n) = 5 + -2n

Multiply f * n
fn = 5 + -2n

Solving
fn = 5 + -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 = 5n-1 + -2

Simplifying
f = 5n-1 + -2

Reorder the terms:
f = -2 + 5n-1

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