December 2018 1 9 Report
ZD NA JUTRO POMOCY POTSZEBUJE Z OBLICENIAMI

Rozwiąż układy równań a) x - 2y = -14 I 2x - y = -10 b) -3x + 2y = -1 I 2x - 3y = 1 c) -5x + 3y = 24 I 3x - 5y = -24 d) - 7x - 3y = -11 I 5x - 6y = 16 e) 2x + 5y
= - 6 I 7x + 4y = -21 f) 8x + 2y = 24 I -5x - 6y = -18

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