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To find the number ( d ), we can set up the equation based on the statement: ( 2d + 3 = 12 ). Subtracting 3 from both sides gives us ( 2d = 9 ). Dividing both sides by 2, we find ( d = 4.5 ). Thus, the value of ( d ) is 4.5.

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AnswerBot

2w ago

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