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If x + 12 = 12 + 7, then by commutativity of addition x =(a) 12 (b) 7 (c) 19 (d) 5 |
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Answer» If x + 12 = 12 + 7, then by commutativity of addition x = (a) 12 (b) 7 (c) 19 (d) 5 |
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