Question

The sum of digits of a two digits numberis 8and the difference between the numbers that formed by reversed the digit is 18 find the number

Answer 1

Let the 2 digits be x and y

according to questiom

x+y=8

x=8-y....i

also

10y+x-10x-y =18

where 10y+x is two digit number formed by reversing and 10x+y is origina

2 digit number

9y-9x=18

9(y-x)=18

y-x=2

y-8+y=2 (x=8-y)

2y=10

y=5

x=3