Question 415686

let unit digit = x then   tens digit = 11-x

value of number = 10(11-x) + x 

 10(11-x) + x  = 8 + 10(11-x)  according to question.....

=> 110 - 10x + x = 8 + 110 - 10x

=> x = 8 

so, tens digit = 3

number is :   38