The+sum+of+the+digits+of+a+two-digit+number+is+8+if+the+digits+are+interchanged+the+number+obtained+is+18+more+than+the+original+number+what+is+the+original+number
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The sum of the digits of a two digit number is 8 if the digits are interchanged the number obtained is 18 more than the original number what is the original number
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let the digit at units place be x.
digit at tens place : 8 - x.
Original number = 10 (8 - x) + x * 1
= 80 - 9x
when the digits are interchanged the new number is : 10 * x + 1 * 8 - x
=9x + 8
BTQ,
9x + 8 = 80 - 9x + 18
solve the equation ,
you will get x = 4 .
so ,
original number = 44
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