Respuesta:
x = -7
Explicación paso a paso:
-x + 1 = 8
-x = 7 x = -7
RPTA: x = -7
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Verified answer
Respuesta:
x = -7
Explicación paso a paso:
-x + 1 = 8
-x = 7 x = -7
RPTA: x = -7