Find the values of \( x \) and \( y \) in parallelogram PQRS \[ P T=y, T R=2 x+1, Q T=3 y, T S=3 x+9 \]

Step 1 ：PT = TS, \(y = 3x + 9\)

Step 2 ：QT = TR, \(3y = 2x + 1\)

Step 3 ：Substitute \(y\) from step 1 into step 2, \(3(3x + 9) = 2x + 1\)