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

The difference of 3 times a number and 18 is 39. what is the number?
asked 29.5k views
1 vote
The difference of 3 times a number and 18 is 39. what is the number?

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User Charles Welton
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7.3k points

2 Answers

4 votes
The number is 7(Seven).
answered
User Bhdrkn
by
7.5k points
2 votes
Just set up an equation, with "x" being the unknown number.
3x-18=39
3x=57
x=19.
The unknown number is 19.
answered
User Mike Boutin
by
8.2k points
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