SOLUTION: three times a number is 18 less than the number

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Question 75334: three times a number is 18 less than the number
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Try this:
3n = n-18 Subtract n from both sides.
2n = -18 Divide both sides by 2.
n = -9 This is the number!