Question

The sum of the digits of a 2-digit number is 12 and the difference of the digits is 4
Find the number if the tens digit is less than the ones digit​

Answer 1

Step-by-step explanation:

let the two digit no. is xy

thus it's sum will be 10x + y =12

difference Will be 10x - y =4

by solving it

+ 10x + y = +12

+ 10x - y = +4

we get x and y