Respuesta :

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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