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

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finding the average

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arithmetic-mean

asked Nov 27, 2013 in ALGEBRA 1 by linda Scholar

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1 Answer

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Average = sum of observations /number of observations

Arithemeti mean of 4x+5,7x-6, -8x+2

[(4x+5)+(7x-6)+(-8x+2)]/3

= (4x+5+7x-6-8x+2)/3

= (3x+1)/3

= 3x/3+1/3

= x+1/3

answered Nov 27, 2013 by william Mentor

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