SOLUTION: What is the average (arithmetic mean) of 4x + 5, 7x-6,and -8x+2?

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Question 314437: What is the average (arithmetic mean) of 4x + 5, 7x-6,and -8x+2?
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
Add them all together and divide by 3:
%284x%2B5%2B7x-6-8x%2B2%29%2F3
%283x%2B1%29%2F3

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus