sofia-wilson_60b9ebf182ed5
sofia-wilson_60b9ebf182ed5
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simplifique, vc pode dividir as 2 eq por 2. x + 3y = -5 3x - y = -2 <--- x3 x + 3y = -5 9x - 3y = -6 soma: 10x = -11 --> x = -11/10 -11/10 + 3y = -5 3y = 11/10 - 5 3y = (11-50)/10 3y = -39/10 --> y = -13/10