f(-4)=-2(-4)-3

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Solution for f(-4)=-2(-4)-3 equation: 


Simplifying
f(-4) = -2(-4) + -3

Reorder the terms for easier multiplication:
-4f = -2(-4) + -3

Multiply -2 * -4
-4f = 8 + -3

Combine like terms: 8 + -3 = 5
-4f = 5

Solving
-4f = 5

Solving for variable 'f'.

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

Divide each side by '-4'.
f = -1.25

Simplifying
f = -1.25

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