F(-2)=18-0.5*-2

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Solution for F(-2)=18-0.5*-2 equation: 


Simplifying
F(-2) = 18 + -0.5 * -2

Reorder the terms for easier multiplication:
-2F = 18 + -0.5 * -2

Multiply -0.5 * -2
-2F = 18 + 1

Combine like terms: 18 + 1 = 19
-2F = 19

Solving
-2F = 19

Solving for variable 'F'.

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

Divide each side by '-2'.
F = -9.5

Simplifying
F = -9.5

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