Respuesta:
5
Explicación paso a paso:
(x + 3 + x - 1)/2 = 6
2x + 2 = 12
2x = 10
x = 5
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Respuesta:
5
Explicación paso a paso:
(x + 3 + x - 1)/2 = 6
2x + 2 = 12
2x = 10
x = 5