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Find the student's error in solving the following

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

User Sparkmix
by
8.2k points

2 Answers

5 votes

x>7

Explanation:

when dividing by a (-)

the inequality sign changes

User Bedi Egilmez
by
8.0k points
4 votes

Answer:

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

and the second one is:

The student should have added 4 to all parts (left, middle, and right) to get 6 < –3x < 9.

Explanation:

i got that on edge

User RickardP
by
8.1k points

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