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Mathematics, 14.01.2021 21:30 hellion

Which shows the use of the commutative property? 3 (7 + n) = 21 + 3 n
7 + (3 + n) = (7 + 3) + n
3 n + 7 = 7 + 3 n
(7 + 3) + n = 10 + n

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Which shows the use of the commutative property? 3 (7 + n) = 21 + 3 n
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