SOLUTION: if the average of 3,4, and x is -2, then what is the value of x?

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Question 1175504: if the average of 3,4, and x is -2, then what is the value of x?
Answer by ikleyn(53937) About Me  (Show Source):
You can put this solution on YOUR website!
.

    %283+%2B+4+%2B+x%29%2F3 = -2


    3 + 4 + x = (-2)*3 = -6

       7  + x          = - 6

            x          = -6 - 7 = -13.      ANSWER

Solved.