Respuesta:
x = - 7
Explicación paso a paso:
2 - (x + 1) = 3(x - 1) + 8
2x - 2 = 3x - 3 + 8
2x - 2 = 3x + 5
2x - 3x = 5 + 2
- x = 7
x = -7
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Respuesta:
x = - 7
Explicación paso a paso:
2 - (x + 1) = 3(x - 1) + 8
2x - 2 = 3x - 3 + 8
2x - 2 = 3x + 5
2x - 3x = 5 + 2
- x = 7
x = -7