Answer:
RQS + PQS = 180 ------- sum of angles on a
straight line
(2x + 14) + (x + 16) = 180
2x + 14 x + 16 = 180
2x + x + 14 + 16 = 180
3x + 30 = 180
3x = 180 - 30
3x = 150
x = 150/3 = 50