If A and B are two integers, what can you say about A - B and B - A?
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a-b and b-a are also integers and both are additive inverse of each other.
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Addition and multiplication are commutative for integers, i.e., a + b = b + a and a × b = b × a for any two integers a and b. ... Product of a positive integer and a negative integer is a negative integer, i.e, a × (–b) = – ab, where a and b are positive integers.
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