Find the student’s error in solving the following inequality.
31 < –5x + 6
25 <...
Mathematics, 28.01.2020 05:31 makonfaknk
Find the student’s error in solving the following inequality.
31 < –5x + 6
25 < –5x
–5 < x
a. the student should have added 6 to both sides instead of subtracting it.
b. the student divided 25/–5 incorrectly.
c. the student should have switched the direction of the inequality sign to get –5> x for a final answer.
Answers: 1
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