Explicación paso a paso:
[tex] \frac{1}{2} x - \frac{2}{5} x = 2400 \\ \frac{5x - 4x}{10} = 2400 \\ \frac{x}{10} = 2400 \\ x = 24000[/tex]
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Explicación paso a paso:
[tex] \frac{1}{2} x - \frac{2}{5} x = 2400 \\ \frac{5x - 4x}{10} = 2400 \\ \frac{x}{10} = 2400 \\ x = 24000[/tex]