linalun20 linalun20
  • 15-08-2020
  • Mathematics
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Bill claims that he found the actual December temperature by adding either -5+3 or 3 +-5.
What property did Bill use?

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arrowt
arrowt arrowt
  • 15-08-2020
Inverse!!!!!!!!!!!!!!!!
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jimthompson5910 jimthompson5910
  • 15-08-2020

Answer: Commutative property of addition

This is the idea that x+y is the same as y+x

We can add any two numbers in any order we want.

Other examples:

2+3 = 5 and 3+2 = 5

7+2 = 9 and 2+7 = 9

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