Respuesta:
16
Explicación paso a paso:
* x + 6 = 2 ( x - 6 )
x + 6 = 2x - 12
18 = x
* x - 2
18 - 2 = 16
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Respuesta:
16
Explicación paso a paso:
* x + 6 = 2 ( x - 6 )
x + 6 = 2x - 12
18 = x
* x - 2
18 - 2 = 16