5. TBQ - Find the required angle

In Fig., ray \(OS\) stands on a line \(POQ\). Ray \(OR\) and ray \(OT\) are angle bisectors of \(∠ POS\) and \(∠ SOQ\), respectively. If \(∠ POS = x\), find \(∠ ROT\).

 

 

\(\angle ROT=\)