michelleshortie michelleshortie
  • 09-03-2021
  • Mathematics
contestada

The number line model may be used to simplify which of the following?


–1 + 2 = 1

–1 + 2 = –3

–1 + 2 = –1

–1 + 2 = 3

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mejdusinsbss mejdusinsbss
  • 09-03-2021
-1 + 2 = 3 is the answer
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