SOLUTION: What does -x stand for?

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Question 257738: What does -x stand for?
Found 2 solutions by richwmiller, jsmallt9:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x can be anything you want so - x can also be anything you want unless you already have x.

Answer by jsmallt9(3758) About Me  (Show Source):
You can put this solution on YOUR website!
Syntactically:
-x means -1*x
Conceptually
-x means the opposite (additive inverse) of whatever x is