SOLUTION: What is the average (arithmetic mean) of 4x + 5, 7x-6,and -8x+2? can you please brake it down into step so i can understand

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Question 314438: What is the average (arithmetic mean) of 4x + 5, 7x-6,and -8x+2?
can you please brake it down into step so i can understand
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
To take an average, sum the values and divide by the total number of values.
A=SUM%2FN=%284x%2B5%2B7x-6%2B%28-8x%2B2%29%29%2F3
A=%283x%2B1%29%2F3
A=x%2B1%2F3