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the sum of the digit at a 2digit number is 9 the number got by interchanging the digits is 27 more than the original number then find the first number |
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Answer» -step explanation:The new number is greater than the old number by 27, i.e. ADDING the two equations, we get 2y = 12 or y = 6. Thus, x = 3. Therefore, the original number is 36. |
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