SOLUTION: what is 9 minus negative 20

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Question 172344: what is 9 minus negative 20
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
what is 9 minus negative 20
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9 - (-20)
= 9 + 20 (the 2 minus signs make a +)
= 29
(At least until the end of 2010)