February 23, 2017

Homework Help: Algebra

Posted by Mary Ann on Tuesday, October 8, 2013 at 5:45am.

A positive integer minus a positive integer is always positive.
This statement is sometimes true. For example, 17 – 5 = 12, but 15 – 20 = –5.

post five other statements about the addition and subtraction of positive and negative integers, and ask whether each is always true, sometimes true, or never true.

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