Answer
-3
+
+16=0
Step-by-step explanation:
No because it would be 7/6 which is not proportional.
I would say go with with B
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