tolong di jawabin pake cara!!!!

5.tiap sudut persegi=90
sudut EAB=45
sudut EBC=45
45=2x+3
42=2x
x=21

45=y+17
y=28

y-x=28-21=7
6.180=2x+13+3x+2
180=5x+15
165=5x
x=33
sudut E=2x+13
E=66+13
E=79
7.360=x+108+96+y
360=108+108+96+y
360=216+96+y
360=312+y
y=360-312
y=48
x-y=108-48=60