Question 807976
let the digits be x & y x in the ten's place

x+y=14........................(1)
10y+x=10x+y-18
9y-9x=18
/9
x-y=2..........................(2)

add (1) & (2)

2x=16
x=8

x+y=14
x=8
so y=6

the number is 86