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I Think It's Because When Looking At A Number Line,Like -98 - 98,You Would Add It Instead,-98 + 98 = 0,If It Was -98 - 99 It'd Be 1,But How I See A Negative Number Would Be Like This:-45 - 45,Add 1 To -45 Until You Do That 45 Times,You'd Get 0,That's How It Worked For Me When I Tried,Please Correct Me If I'm Right

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Nakayla White

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3y ago

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Because of the definition of opposites, then cancel each other out.

EXAMPLE:

The numeric opposite of 23 is -23. 23 + -23 = 0

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Wiki User

15y ago
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Q: Why is the sum of a number and its opposite always 0?
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