SOLUTION: IF THE AVERAGE OF 3,4, AND X= -2 WHAT IS THE VALUE OF X?

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Question 903625: IF THE AVERAGE OF 3,4, AND X= -2 WHAT IS THE VALUE OF X?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Average of 3, 4, and X, is -2.

highlight_green%28%283%2B4%2BX%29%2F3=-2%29

%28X%2B7%29%2F3=-2
X%2B7=-6
highlight%28X=-13%29