f(4)=8

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Solution for f(4)=8 equation: 


Simplifying
f(4) = 8

Reorder the terms for easier multiplication:
4f = 8

Solving
4f = 8

Solving for variable 'f'.

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

Divide each side by '4'.
f = 2

Simplifying
f = 2

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