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The opposite of a number is the number which produces the same result when the opposite or inverse operation is performed.

For addition/subtraction, the opposite is the additive inverse or negative value.

e.g. 3 - 2 = 1 and 3 + (-2) = 1

For multiplication/division, division can be done by multiplication of the inverse value.

examples:

a) 4 divided by 2, 4 / 2 = 2 and the inverse is multiplication by one half : 4 x (1/2) = 2

b) 6 divided by 2/3 is the same as 6 times the inverse, 6 x 3/2 = 18/2 = 9

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Q: What is the concept of the opposite of a number?
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