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Emery Sporer
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∙ 2y agoThis answer is:
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∙ 12y ago7 = -13 + d
d = 7 - (-13)
d = 20
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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
What operation is d plus 7 equals 5?
If: d+7 = 5 Then: d = -2 by subtracting 7 from both sides
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