A two-digit number

Answer this math problem about a two-digit number before everybody else and stand out from the crowd. Use the Facebook comments tool below to type your solution to the problem. The winner must show the math behind the solution.

Math problem:

There is an interesting two-digit number X. With a  9 before it, it is three times as large plus 3 as with a 9 after it. What is the number?

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Recent Lessons

  1. Bessy and Bob algebra word problem

    Jul 28, 17 02:38 PM

    Bessy has 6 times as much money as Bob, but when each earn $6. Bessy will have 3 times as much money as Bob. How much does each have before and after

    Read More