Answer:
x = 2
Step-by-step explanation:
m<XYZ = 95°
m<XYW = 72°
m<WYZ = (15x - 7)°
m<XYZ = m<XYW + m<WYZ
95 = 72 + 15x - 7
15x + 65 = 95
15x = 30
x = 30/15