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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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1
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