SOLUTION: find the original number if the sum of digit and the number obtained by interchanging the digits are as follow 7,27 more than the original number

Question 792837: find the original number if the sum of digit and the number obtained by interchanging the digits are as follow 7,27 more than the original number
Answer by 55305(86) (Show Source): You can put this solution on YOUR website!
Suppose the number is MN(where M is the digit in the tens place and N is the digit in the ones place). The number's value is , and we know that and . Simplifying the second equation, we get . Dividing both sides of the equation by 9, we have . So the two numbers that will satisfy and are M=2 and N=5.
The number is 25.
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