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AlgebraEasyValue satisfying a strict inequality

Algebra practice question

Which of the following values of x satisfies 2x + 1 > 9?

  1. A. 5Correct
  2. B. 4
  3. C. 3
  4. D. 0

Answer: A. 5

2x > 8 means x > 4, and 5 is the only choice greater than 4.

Why the other answers are wrong

B. 4
4 gives 9, which is not greater than 9.
C. 3
3 gives 7.
D. 0
0 gives 1.

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