Question

The sum of digits of a two-digit number is 8 and the difference between the number and that formed by reversing the digit is 45 find the number

Answer 1

let the digits are x,y

x + y = 8

10x +y - 10y - x = 45

9x - 9y = 45

x - y = 5

x + y = 8

Answer 2

let two digit number be a and b first condition a + b is equal to 8 Buy second condition 10 b + a is equal to 45 by swallowing this you get correct answer