f(-2)=-2-9

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Solution for f(-2)=-2-9 equation: 


Simplifying
f(-2) = -2 + -9

Reorder the terms for easier multiplication:
-2f = -2 + -9

Combine like terms: -2 + -9 = -11
-2f = -11

Solving
-2f = -11

Solving for variable 'f'.

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

Divide each side by '-2'.
f = 5.5

Simplifying
f = 5.5

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