Comments on: how do you answer this question about subtraction?

By: JLP

JLP — Tue, 27 Oct 2009 07:17:59 +0000

It is not always true because answers can be in negative integers, for example, 5 - 8 = -3 we are subtracting a larger nmber from a smaller one.
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By: ozuyatamutsu

ozuyatamutsu — Tue, 27 Oct 2009 06:53:59 +0000

There are two instances where that statement is not true.
One instance is in the case of negative numbers. The number line continues infinitely on either side of 0.

5 - 6 = -1

A second instance where that statement would be false would be in the case of subtracting negative numbers. When you subtract a negative number, you ADD to the first.

5 - (-6) = 11
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By: B.B.

B.B. — Tue, 27 Oct 2009 06:19:59 +0000

Numbers go on infinitely on both sides of 0, so you can subtract a large number from a small number and yield a number on the opposite side of 0. 2-3=-1
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