masonbartolo9473 masonbartolo9473
  • 21-11-2017
  • Mathematics
contestada

For which real numbers x and y is it true that x + y = x+y?

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LostCreature
LostCreature LostCreature
  • 26-11-2017
By the general application of cumulative property of addition :

x + y = y + x

For sure
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