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WAEC Mathematics 2017 Objective — Question 9

Question 9 of 50 from the West African Examinations Council (WAEC) Mathematics 2017 Objective paper, with the correct answer and a full explanation.

Solve the equation: 1/5x + 1/x = 3

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

Explanation

1/5x+1/x=3 → (1+5)/5x=3 → 6/5x=3 → 6=15x → x=6/15=2/5.

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