f(-4)=2(-4)-4

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Solution for f(-4)=2(-4)-4 equation: 


Simplifying
f(-4) = 2(-4) + -4

Reorder the terms for easier multiplication:
-4f = 2(-4) + -4

Multiply 2 * -4
-4f = -8 + -4

Combine like terms: -8 + -4 = -12
-4f = -12

Solving
-4f = -12

Solving for variable 'f'.

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

Divide each side by '-4'.
f = 3

Simplifying
f = 3

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