The number 7.2 less than 9.5 times x is () the quotient of X divided by 9 and the sum of 8.4（ The sum of the quotient of X divided by 9 and 8.4 is ()

The number of 7.2 less than 9.5 times of X is (9.5x-7.2). The sum of the quotient of X divided by 9 and 8.4 is (x / 9 + 8.4)

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