Question 1111036
let units digit be x
and tens digit be y

x+y+3 = 2x
x-y=3........(1)

(10y+x)= (x+y) *4 +3


subtract the equations

6y-3x =3
2y-x=1........(2)

add 1 & 2
y=4
therefore x=7

Number is 47