f(-1)=-4(-1)-5

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Solution for f(-1)=-4(-1)-5 equation: 


Simplifying
f(-1) = -4(-1) + -5

Reorder the terms for easier multiplication:
-1f = -4(-1) + -5

Multiply -4 * -1
-1f = 4 + -5

Combine like terms: 4 + -5 = -1
-1f = -1

Solving
-1f = -1

Solving for variable 'f'.

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

Divide each side by '-1'.
f = 1

Simplifying
f = 1

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