first find the value of x the find the measure of each angle. need help !!!!

Answer:
3x+11= 5x-9
-2x= -20
x=10
g= 5(10) -9 = 50-9= 41 degrees
e= 3(10) +11= 30+11= 41 degrees
360-41-41= 278
278/2= 139
f= 139 degrees
d=139 degrees
41+41+139+139= 360 (checking the answers)