add all the angles and make them equal to 360
88 + 108 + (3x-6) + 2x = 360
196 + 5x -6 = 360
190 + 5x = 360
5x = 170
x = 34 = answer
Answer:

Step-by-step explanation:




The answer is the second option, or Ray BE is a bisector of angle ABE.
Answer:
value of x = 2.8
Step-by-step explanation:
By law of cosines,

7x-15=-2
Move -15 to the rigjt side,
7x=-2+15
7x=13
Divide both sides by 7,
7x/7=13/7
x=13/7