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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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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?

User Ahsan Kamal
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2 Answers

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The student did not complete the BEDMAS formula properly
User JoeCarpenter
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-4+x=9.5
x=13.5

The student might have subtracted 9.5-4, which results in the answer 5.5. The correct answer is 13.5.
User Webschnecke
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