Question

4. Sum of digits of a two digit number is 9. When the digits are interchanged, the
new number is greater than the original number by 9. Find the original number ​

Answer 1

Answer:

x+x+1=9

2x=9-1

2x=8

x=8/2

x=4

x+1=5

Answer 2

Answer:

45 mark this the brainliest