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OpenStudy (anonymous):
A student evaluated -4 + x for x = -9 1/2 and got an answer of 5 1/2. What might the student have done wrong?
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OpenStudy (michele_laino):
because the student should do this: -4-(9 1/2)
OpenStudy (aaliyahfairgood):
he subtracted the whole numbers like they were positive integers
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