SOLUTION: When the Danes multiplied their secret number by 3 and then added -7, the result was 72 less than twice the opposite of the number. What was the secret number of the Danes?
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Question 1123111: When the Danes multiplied their secret number by 3 and then added -7, the result was 72 less than twice the opposite of the number. What was the secret number of the Danes? Found 2 solutions by ikleyn, josgarithmetic:Answer by ikleyn(52791) (Show Source):
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