The average of six numbers 2, 8, 9, x, 7,and 12 is 7. Find the value of x.

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# The average of six numbers 2, 8, 9, x, 7,and 12 is 7. Find the value of x.

The average of six numbers 2, 8, 9, x, 7,and 12 is 7. Find the value of x.