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Twice the difference of 7 and a number is 4 times the number
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Twice the difference of 7 and a number is 4 times the number

User Derstauner
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Let the number be n.

Then 2(7-n) = 4n, or 14 - 2n = 4n, or 14 = 6n. Then n = 7/3 (answer)
User Marcellino Corleone
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