+279 Suppose that https://latex.artofproblemsolving.com/8/4/0/8404d0f21e5ca94dbbe3d87a297dacb949babad8.png where \(P, Q, and b \) represent three distinct digits 1-9. If \(Q=\frac{P}{2}\), and \(P\) is two less than \(b\), what is the value digit of \(P\)?
