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