Respuesta:
3.
[tex]2x + \frac{x}{2} = 40 \\ \frac{4x + x}{2} = 40 \\ 5x = 80 \\ x = \frac{80}{5} \\ x = 16[/tex]
4.
[tex]x \times \frac{4}{5} = \frac{5}{3} + \frac{2}{3} \\ \frac{4x}{5} = \frac{7}{3} \\ 12x = 35 \\ x = \frac{35}{12} \\ [/tex]
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Respuesta:
3.
[tex]2x + \frac{x}{2} = 40 \\ \frac{4x + x}{2} = 40 \\ 5x = 80 \\ x = \frac{80}{5} \\ x = 16[/tex]
4.
[tex]x \times \frac{4}{5} = \frac{5}{3} + \frac{2}{3} \\ \frac{4x}{5} = \frac{7}{3} \\ 12x = 35 \\ x = \frac{35}{12} \\ [/tex]