Answer :
Is there a picture? I would say
Since T is the midpoint of PO, the distance from P to T and the distance from P to O must be equal. Therefore all we need to do is set the two equations equal to each other and solve for x.
Since T is the midpoint of PO, the distance from P to T and the distance from P to O must be equal. Therefore all we need to do is set the two equations equal to each other and solve for x.