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Earn +20 ptsQ: What is 15d plus 7 equals 7d plus 15?
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D plus 7d equals?
Expressed algebraically, d + 7d = 8d.
What is -7d equals 15?
-7d = 15 Therefore, d = 15/-7 d = -2.142857 recurring (that is, -2.142857142857...) or -2 and one seventh.
What property is 7 d plus 3 equals 3 plus 7d?
Commutativity.
What is 5de plus 9e plus 7d plus 10e?
5de+9e+7d+10e=5de+7d+19e
7d-13 equals 3d plus 7?
1. 7d-13=3d+72. 7d-20=3d3. -20=-4d4. d=55. Check your answer:7*5-13=22, 3*5+7=22D equals 5
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