2∧x＝9x＝log₂92∧y＝8／3y＝log₂﹙8／3﹚x＋2y＝log₂9＋2log₂﹙8／3﹚＝log₂9＋log₂﹙8／3﹚²＝log₂[9×﹙8／3﹚²]＝log₂8²＝6...