SOLUTION: The sum of two digits of a certain 2 digit number is 15. If the digits are reversed, the number formed is 9 less than the original number. What is the original number?

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Question 1124229: The sum of two digits of a certain 2 digit number is 15. If the digits are reversed, the number formed is 9 less than the original number. What is the original number?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The number: 10t%2Bu
t, the tens
u, the units or ones

system%28t%2Bu=15%2C10t%2Bu-%28t%2B10u%29=9%29

system%28t%2Bu=15%2Ct-u=1%29-------very easily done through Elimination Method


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