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. Math Skills by Grade

    May 21, 17 09:19 PM

    Sharpen your math skills by grade here with crystal clear lessons

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