I’ve been trying other ways to try and get it but nothing is helping

Answer:
x= 104
Step-by-step explanation:
The sum of the angles on a straight line is 180°.
72° +(x +4)°= 180° (adj. ∠s on a str. line)
(x +4)°= 180° -72°
(x +4)°= 108°
x +4= 108
x= 108 -4
x= 104