Question

a number consist of two digits whose sum is 8 if 18 is added to the number its digits are interchange find the number​

Answer 1

Step-by-step explanation:

let given number be 10x + y

x + y = 8

(10x + y) + 18 = 10y + x

9x - 9y = -18

x - y = -2

After solving these two equations, you will get the values of x and y