Question

A number consists of two digits whose
sum is 9. If 27 is subtracted from the
number its digits are reversed. Find
the number.
[Ex. 2.4 - 3
Let a digit of two digit number be x.
The sum of two digits = 9
-. Another digit = 9 - X
The number = 10 (9-x) + X.
= 90 - 10x + x​

Answer 1

Step-by-step explanation:

hope it will help you and answer is right

Answer 2

Answer: Number = 63

Step-by-step explanation:

Let to digit no. = xy

x + y= 9

10x + y - 27 = 10y + x

9x=9y + 27

x = y + 3

x - y = 3 and x + y = 9

2x = 12

x = 6 and y = 3

Number =63