Answer:
x=5
Step-by-step explanation:
The sum of the angles of a quadrilateral is 360
L+M+J+K =360
75+ 96+14x+5 +114 = 360
Combine like terms
290 +14x = 360
Subtract 290 from each side
290-290 +14x= 360-290
14x = 70
Divide by 14
14x/14 = 70/14
x = 5
