Mathematics, 16.02.2021 09:30, SethSimunek

7. The mean of 7,9,x + 3, 12, 2x - 1 and 3 is 9. Find the value of x.

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7. The mean of 7,9,x + 3, 12, 2x - 1 and 3 is 9. Find the value of x....