SOLUTION: I need help with this problem. Find the average of the elements of the set: (0, 7x, 5x+2, 7-2x, 6) Thank you so much!

Algebra ->  Average -> SOLUTION: I need help with this problem. Find the average of the elements of the set: (0, 7x, 5x+2, 7-2x, 6) Thank you so much!      Log On


   

Question 146984: I need help with this problem.
Find the average of the elements of the set:
(0, 7x, 5x+2, 7-2x, 6)
Thank you so much!
Found 2 solutions by nabla, Fombitz:
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
(0+ 7x+ 5x+2+ 7-2x+ 6) / 5=(10x+15)/5=2x+3

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
To find the average, sum all of the elements in the set.
Then divide by the number of elements in the set.
0%2B7x%2B5x%2B2%2B7-2x%2B6=10x%2B15
The number of elements is 5.
The average is then,
%2810x%2B15%29%2F5=2x%2B3