SOLUTION: If the arithmetic mean of 25,30,32,x,43 is 34,then find the value of x

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Question 578106: If the arithmetic mean of 25,30,32,x,43 is 34,then find the value of x
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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If the arithmetic mean of 25,30,32,x,43 is 34,then find the value of x
:
%28%2825%2B30%2B32%2Bx%2B43%29%29%2F5 = 34
:
%28%28x%2B130%29%29%2F5 = 34
multiply both sides by 5
x + 130 = 5(34)
x + 130 = 170
x = 170 - 130
x = 40