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Bluzka - x
Żakiet - 3x
Sukienka+Bluzka+Żakiet= 532 zł
5x + 67 = 532/-67
5x = 465/ : 5
x = 93
Bluzka - 93 zł
Koszt sukienki - 93 + 67 = 160 zł
Koszt żakietu - 93 * 3 = 279 zł