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The difference of 3 times a number and 18 is 39. what is the number?
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The difference of 3 times a number and 18 is 39. what is the number?

User Charles Welton
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4 votes
The number is 7(Seven).
User Bhdrkn
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Just set up an equation, with "x" being the unknown number.
3x-18=39
3x=57
x=19.
The unknown number is 19.
User Mike Boutin
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