f(4)=16-4

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Solution for f(4)=16-4 equation: 


Simplifying
f(4) = 16 + -4

Reorder the terms for easier multiplication:
4f = 16 + -4

Combine like terms: 16 + -4 = 12
4f = 12

Solving
4f = 12

Solving for variable 'f'.

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

Divide each side by '4'.
f = 3

Simplifying
f = 3

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