s20059742 s20059742

30-08-2019
Mathematics

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Name the property illustrated.
17. 2x + 5 = 5 + 2x
18. (x . y).5 = x (7.5)
19.5(7 - x) = 35 - 5x
20.5 + 0 = 5
21.-3+3 = 0

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30-08-2019

17. Commutative property’s addition
20. Identity property’s addition

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