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A two digit number is such that the sum of its digit is 9.If the difference of the number obtained by reversing the digits and the original number is 9 then write down two equations in X and Y to represent above statements. |
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Answer» Step-by-step explanation: LET DIGIT at UNITS PLACE be x and tens be y atgc x+y=9. 1 10x+y-10y+x 9x-9y=9
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