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Mathematics, 12.01.2021 19:30 amcdaniel1

You know: 13 + 7 = 20. Therefore: 13 + 7 + 2 = 20 +2. Which Property of Equality was illustrated?

You know: 13 + 7 = 20. Therefore: 13 + 7 + 2 = 20 +2.

Which Property of Equality was illustrated?

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