I WILL GIVE YOU 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Answer:
39⁰
Step-by-step explanation:
WE KNOW THAT,
SUM OF ALL ANGLES OF A TRIANGLE IS EQUAL TO 180⁰
P+Q+R=180⁰
2x⁰-9⁰+x⁰+33⁰+x⁰=180⁰
4x⁰+24⁰=180⁰
4x=180⁰-24⁰=156⁰
x=39⁰