f(-2)=8

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Solution for f(-2)=8 equation: 


Simplifying
f(-2) = 8

Reorder the terms for easier multiplication:
-2f = 8

Solving
-2f = 8

Solving for variable 'f'.

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

Divide each side by '-2'.
f = -4

Simplifying
f = -4

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