Question

The sum of digits of a two-digits number is

13. The number obtained by interchanging

the digits is 9 more than the original number.

Find the original number.​

Answer 1

Step-by-step explanation:

hope it helps you.........

Answer 2

Answer:

Let x be the 10th place and y be atonic. =10x+y

x+y=13

10y+x=10x+y+9

−9x+9y=3

−x+y=1

y=x+1

x+x+1=13

2x=12

x=6

y=7

=10×6+7

=67