Question

on reversing the digit of a two digit number, number obtained is 9 less than the three time the original number. if difference of these numbers is 45 find the original number. ​

Answer 1

Answer:

Step-by-step explanation:

Let the Original Number be x

so after reversing the digits as per given condition no will be 3x-9

as the difference between the numbers is 45

by given condition equation will be

3x-9-x=45

2x-9=45

2x=45+9

2x=54

x=54/2

x=27

so original no. = x = 27 and after reversing digits it is 3x-9=72

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