SOLUTION: What is the arithmetic mean of 8x + 5, -3x + 9, 0 and 7x-2?

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Question 906373: What is the arithmetic mean of 8x + 5, -3x + 9, 0 and 7x-2?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the arithmetic mean of 8x + 5, -3x + 9, 0 and 7x-2?
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Add the three expressions; then divide by 4 to find the average::
(8x+5 + -3x+9 + 0 + 7x-2)/4
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= (12x + 12)/4
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= 3x + 3
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Cheers,
Stan H.
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