Jeff solved the equation in Exercise 47 and wrote his answer as ,5 - 2302 e f 5 + 2302

Chapter 9, Problem 55

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Jeff solved the equation in Exercise 47 and wrote his answer as ,5 - 2302 e f 5 + 2302 . Lindasolved the same equation and wrote her answer as -5 - 230-2 e f -5 + 230-2 . The teachergave them both full credit. Explain why both students were correct.

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