Respuesta:
[tex]a = 4[/tex]
Explicación paso a paso:
[tex] \frac{a + 2}{2} = 3 \\ 2 \times ( \frac{a + 2}{2} ) = 2 \times 3 \\ a + 2 = 6 \\ a + 2 - 2 = 6 - 2 \\ a = 4[/tex]
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Respuesta:
[tex]a = 4[/tex]
Explicación paso a paso:
[tex] \frac{a + 2}{2} = 3 \\ 2 \times ( \frac{a + 2}{2} ) = 2 \times 3 \\ a + 2 = 6 \\ a + 2 - 2 = 6 - 2 \\ a = 4[/tex]