Question 253036
let a= the number
100x+10y+z=a
x=y+2
a=43*(x+y+z)
we also know that z=0 or z=5 since the number is divisible by 5
So we plug in 5 or 0 to test it. which ever gives us three integers for x, y and a is the right choice for z
hint z=5 works