Solve $\dfrac{x}{4} + \dfrac{x}{6} = 5$.

Solve $\dfrac{x}{4} + \dfrac{x}{6} = 5$.
  1. $12$
  2. $10$
  3. $24$
  4. $5$

Solution

$\dfrac{3x + 2x}{12} = 5 \Rightarrow \dfrac{5x}{12} = 5 \Rightarrow x = 12$.

Asked in: IMO

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