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Sagot :
20 and -20 are opposites. Both are 20 units away from 0 on a number line.
Answer:
20, and -20
Step-by-step explanation:
Well it's simple, you look at the numbers 20 "-120" "-20" 440 "-200" "-140" "-180" 460 and you see which numbers have the same digits, not value, digits and you see if one of them is negative and one is positie and you're all set.
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