Please please help please please ASAP please I'm begging you please I have 10 minutes please y'all help please any ACE that can help please

Answer: x = 144
Y = 147
Step-by-step explanation: all together the three sides of a triangle need to add up to 180 degrees .
add 16 and 20 you get 36 , 180 minus 36 =144
X = 144
15 +18 =33
180-33=147