find the value of x
plz help me

Answer:
heyyyy
Step-by-step explanation:
look clearly we can clearly see its a straight line sooo it is 180 degrees
hence we can say that
146 + ( -39+x) = 180
then
146 - 39 + x = 180
x = 180 - 107
x = 73
hence ur answer is x = 73