Why is the sum of a rational number and its opposite always equal to 0

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asked Jun 5, 2017 116k views

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Smart · Answer 1 · 2017-06-11T23:08:41+0000

because its like saying what's 4-4=0. -4 and 4 are the same distance away from zero, so if you subtract them (or add them), it'll always end up to be zero

Why is the sum of a rational number and its opposite always equal to 0-example-1

Why is the sum of a rational number and its opposite always equal to 0

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