f(-1)=-2(-1)-5

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Solution for f(-1)=-2(-1)-5 equation: 


Simplifying
f(-1) = -2(-1) + -5

Reorder the terms for easier multiplication:
-1f = -2(-1) + -5

Multiply -2 * -1
-1f = 2 + -5

Combine like terms: 2 + -5 = -3
-1f = -3

Solving
-1f = -3

Solving for variable 'f'.

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

Divide each side by '-1'.
f = 3

Simplifying
f = 3

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