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x + y = 1 (4) 4x + 7y = 10 (-1) 4x + 4y = 4 -4x - 7y = -10 0 -3y = -6 y = 6/3 y = 2 Subst na eq 1 x + y = 1 x + 2 = 1 x = 1 -2 x = -1 Resp. x = -1 e y = 2
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x + y = 1 (4) 4x + 7y = 10 (-1) 4x + 4y = 4 -4x - 7y = -10 0 -3y = -6 y = 6/3 y = 2 Subst na eq 1 x + y = 1 x + 2 = 1 x = 1 -2 x = -1 Resp. x = -1 e y = 2