SOLUTION: The average (arithmetic mean) of 6, 19, and x is 19. What is the value of x ?

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Question 463169: The average (arithmetic mean) of 6, 19, and x is 19. What is the value of x ?
Answer by edjones(7569) About Me  (Show Source):
You can put this solution on YOUR website!
(6+9+x)/3=19
15+x=57
x=42
.
Ed