SOLUTION: 12=5d/6+7

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Question 302872: 12=5d/6+7
Answer by london maths tutor(243) About Me  (Show Source):
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12=5d/6+7
12 - 7 = 5d/6
5 = 5d / 6
5d = 5 * 6
5d = 30
d = 30/5
d = 6