f(n)=7-4n

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Solution for f(n)=7-4n equation: 


Simplifying
f(n) = 7 + -4n

Multiply f * n
fn = 7 + -4n

Solving
fn = 7 + -4n

Solving for variable 'f'.

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

Divide each side by 'n'.
f = 7n-1 + -4

Simplifying
f = 7n-1 + -4

Reorder the terms:
f = -4 + 7n-1

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