f(-1)=2(-1)-3

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Solution for f(-1)=2(-1)-3 equation: 


Simplifying
f(-1) = 2(-1) + -3

Reorder the terms for easier multiplication:
-1f = 2(-1) + -3

Multiply 2 * -1
-1f = -2 + -3

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

Solving
-1f = -5

Solving for variable 'f'.

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

Divide each side by '-1'.
f = 5

Simplifying
f = 5

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