7 increased by a number x - 7 + x, the quotient of 7 and a number x - 7 / x, 7 times a number x - 7x, the difference of a number x and 7 - x - 7, twice a number x - 2x, 2 less than x - x - 2, the quotient of a number x and 2 - x / 2, the sum of a number x and 2 - x + 2,

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