2. The sum of a two-digit number is 13. When 27 is added to the original number, the result is the number with the digits interchanged. Find the original number.
2. The sum of a two-digit number is 13. When 27 is added to the original number, the result is the number with the digits interchanged. Find the original number.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:2. The sum of a two-digit number is 13. When 27 is added to the original number, the result is
the number with the digits interchanged. Find the original number.
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