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WAEC Mathematics 2025 Paper

Question : 12

Total: 50

\frac{1}{3}

(2x - 1) < 5

Solution:

Concept:

Solve a linear inequality by isolating the variable.

Explanation:

Start with the inequality:

\frac{1}{3}(2x - 1) < 5

Multiply both sides by

3

to remove the fraction:

2x - 1 < 15

Add

1

to both sides:

2x < 16

Divide both sides by

2

x < 8

The inequality sign does not change because we multiplied or divided by positive numbers.

Answer:

x < 8

Correct option: B. x < 8

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