the sum of two digit number is 4. number got by interchanging the digits is 8 more than the original number find the number
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Step-by-step explanation:
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Let ones digit be y and tens digit be x
Number = 10x + y
Interchanged number = 10y + x
x + y = 4 ...... (1)
==: 10y + x - (10x + y) = 8
==: 10y - y + x - 10x = 8
==: 9y - 9x = 8 ........(2)
Solve 1 and 2 and u will get ur answer
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