SOLUTION: eighteen less than three times a number equals a number. Whats the number?

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Question 306370: eighteen less than three times a number equals a number. Whats the number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let that number be N.
3N-18=N
3N-N-18=N-N
2N-18=0
2N-18%2B18=0%2B18
2N=18
2N%2F2=18%2F2
N=9
Your number is 9.