SOLUTION: if you multiply by a negative number on an inequality, does your inequality sign flip.

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Question 712832: if you multiply by a negative number on an inequality, does your inequality sign flip.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
if you multiply by a negative number on an inequality, does your inequality sign flip.
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Yes, it does.
eg,
-x < 1 --> x > -1
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It works like this:
-x < 1
Add x
0 < x + 1
Subtract 1
-1 < x
--> x > -1