describe and correct the error in finding the difference of - 2 and - 5 ... - 2 - (-5) = - 2 + (-5) = - 7

Question

Mathematics

Holly Tucker

2 April, 13:16

describe and correct the error in finding the difference of - 2 and - 5 ... - 2 - (-5) = - 2 + (-5) = - 7

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Answers (1)

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Immanuel Dyer · Answer 1

In this case, the way the negative was distributed for the - 5 is incorrect. So instead of - 2+5, it's saying that - 2-5 is the same as - 2 + - 5, Which is isn't in this case. So the error here is the distribution of the - (-5).

The correct way is this:

-2 - (-5)

-2+5 = 3