Find the students error in solving the following inequality 31 < -5x + 6 25 < -5x -5 < x

asked Jun 20, 2020 176k views

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Find the students error in solving the following inequality

31 < -5x + 6
25 < -5x
-5 < x

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3 votes

His error was that he did not flip the inequality sign.

31<5x+6

25<-5x

-5>x

Jon Topper answered Jun 21, 2020

5.4k points

3 votes

Answer:

The student should have switched the direction of the inequality sign to get –5> x for a final answer.

Answer choice C on edge

ElToro answered Jun 27, 2020

6.3k points

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