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the sum of the digits of a two digit number is 9 .Adding 27 to interchange number.Find the number |
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Answer» Let the number be xyx+y=9...............(1)(10x+y)+27=10y+x10x-x+y-10y=-279x-9y=-27x-y=-3................(2)add equation 1 and 2we getx=3substitute it in eq 1y=6so the number is 36 ✌ ✌ |
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