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December 21, 2014

December 21, 2014

Posted by **cassandra** on Monday, May 2, 2011 at 4:56pm.

- math -
**Ms. Sue**, Monday, May 2, 2011 at 4:58pmIs it?

7 - (-15)?

or

7 - 15?

- math -
**cassandra**, Monday, May 2, 2011 at 4:59pm7 - (-15) equals?

- math -
**Ms. Sue**, Monday, May 2, 2011 at 5:08pmWhen adding and subtracting negative numbers, the answer is positive when you have two negatives.

Study this site carefully.

http://www.mathsisfun.com/positive-negative-integers.html

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