Respuesta:
x = 9
Explicación paso a paso:
x (-9) = - 81 x
x +81 x = 9
82 x = 9
x = 9 / 82
Supongo que la escribiste mal, pero:
x (-9) = - 81
x = - 81 / - 9
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Verified answer
Respuesta:
x = 9
Explicación paso a paso:
x (-9) = - 81 x
x +81 x = 9
82 x = 9
x = 9 / 82
Supongo que la escribiste mal, pero:
x (-9) = - 81
x = - 81 / - 9
x = 9