16Hit1600
AlgebraEasy–MediumSolving an inequality with a negative coefficient

Algebra practice question

Which of the following is equivalent to −2x + 5 > 11?

  1. A. x < −3Correct
  2. B. x > −3
  3. C. x < 3
  4. D. x > 3

Answer: A. x < −3

−2x > 6, and dividing by −2 reverses the inequality: x < −3.

Why the other answers are wrong

B. x > −3
The inequality must be reversed when dividing by −2.
C. x < 3
The sign of 3 is wrong.
D. x > 3
Both the direction and the sign are wrong.

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