Explicación paso a paso:
[tex]x + 2(x + 1) = 14 \\ x + 2x + 2 = 14 \\ 3x = 14 - 2 \\ 3x = 12 \\ x = \frac{12}{3} \\ x = 4[/tex]
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Explicación paso a paso:
[tex]x + 2(x + 1) = 14 \\ x + 2x + 2 = 14 \\ 3x = 14 - 2 \\ 3x = 12 \\ x = \frac{12}{3} \\ x = 4[/tex]