Math 112 Help please

Students were asked to find three consecutive whole numbers whose sum is 393. John wrote the equation

(x - 1) + x + (x + 1) = 3. Kim said that John is incorrect, and that the correct answer should be

x + (x +1) + (x + 2) = 393. is this correct

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  1. yes. The sum of the numbers is 393

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