Answer:
x = 10
Step-by-step explanation:
Assuming you require the value of x
AB is a straight angle, thus the 3 given angles sum to 180°, that is
3x + 94 + x + 30 + 2x - 4 = 180, that is
6x + 120 = 180 ( subtract 120 from both sides )
6x = 60 ( divide both sides by 6 )
x = 10