9514 1404 393
Answer:
x = 8
there is no ∠1
Explanation:
The angle sum theorem tells you ...
∠XYW +∠WXZ = ∠XYZ
70° +(5x -4)° = 106°
5x = 40 . . . . . . . . . . . divide by °, subtract 66
x = 8 . . . . . . . . . divide by 5
∠WYZ = 36° . . . . . . . the difference between 70° and 106°