f(-2)=5-2(-2)

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Solution for f(-2)=5-2(-2) equation: 


Simplifying
f(-2) = 5 + -2(-2)

Reorder the terms for easier multiplication:
-2f = 5 + -2(-2)

Multiply -2 * -2
-2f = 5 + 4

Combine like terms: 5 + 4 = 9
-2f = 9

Solving
-2f = 9

Solving for variable 'f'.

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

Divide each side by '-2'.
f = -4.5

Simplifying
f = -4.5

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