They are using two different functions.
Tell your math teacher that questions like these are loaded and should not be given as assignments.
Answer:

Step-by-step explanation:










Hope I helped!
Best regards! :D
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Which question do you need help with?
A. hour worked. . . . . .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
Answer:
-6
Step-by-step explanation:
14x+6=2(5+7x)
14x+6=10+14x
14x-14x=10-16
x= -6