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Verify that – (– X) = X for X = 11by15-additive Inverse

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Question

Verify that – (– x) = x for x = `11/15`

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Solution

x = `11/15`

The additive inverse of  x = `11/15` is -x = `-11/15` as `11/15 + (-11/15)` = 0

This equality `11/15 + (-11/15) = 0` represents that the additive inverse of `11/15` is `11/15`  or it can be said that `-(-11/15) = 11/15` i.e -(-x) = x

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