Sum of two digit number is 9. When we interchange number it is found that the new no. is greater than the original no. by 27. What is the two digit number???
pls try to solve it in one variable
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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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