Respuesta:
[tex] \frac{2n}{3} - 1 \times 2 = 13 \\ \frac{2n}{3} - 2 = 13 \\ 2n - 6 = 39 \\ 2n = 39 + 6 \\ 2n = 45 \\ n = 45 \div 2 \\ n = \frac{45}{2} [/tex]
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Respuesta:
[tex] \frac{2n}{3} - 1 \times 2 = 13 \\ \frac{2n}{3} - 2 = 13 \\ 2n - 6 = 39 \\ 2n = 39 + 6 \\ 2n = 45 \\ n = 45 \div 2 \\ n = \frac{45}{2} [/tex]