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Which statement best explains the value of 18 − (−5)?

The additive inverse of −5 is +5, so 18 − (−5) = 23.
The additive inverse of −5 is −5, so 18 − (−5) = 23.
The additive inverse of −5 is −5, so 18 − (−5) = 13.
The additive inverse of −5 is +5, so 18 − (−5) = 13.

User Matthieus
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2 Answers

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The first option, b/c the A.I of -5 would be +5, therefore 18--5, which is 18+5, would be 23.
User Manuel Lazo
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The additive inverse of −5 is +5, so 18 − (−5) = 23.
User Varis Darasirikul
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