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Find the student’s error in solving the following inequality.
31 < –5x + 6
25 < –5x
–5 < x


Sagot :

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


The answer is c,he should have flipped the inequality.


Because he multiplied/ divided both sides by a negative.