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Solve the inequality 2x + 3 > 5x + 8

Mathematics
JAMB 2025

Solve the inequality 2x + 3 > 5x + 8

  • A. x > 1\(\frac{2}{3}\)
  • B. x > -1\(\frac{2}{3}\)
  • C. x < -1\(\frac{2}{3}\)
  • D. x < 1\(\frac{2}{3}\)
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Correct Answer: Option C
Explanation

Given: 2x + 3 > 5x + 8

2x + 3 - 5x - 8 > 0

⇒ -3x - 5 > 0 ⇒ -3x > 5

⇒ x < \(\frac{-5}{3}\) = -1 \(\frac{2}{3}\) (inequality reverses on dividing by)

x < -1\(\frac{2}{3}\) 

There is an explanation video available below.


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Explanation Video

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