December 2018 2 6 Report
2.Rozwiąż metodą przeciwnych współczynników poniższe układy równań:
a) 5x - 4y=1
5x + 2y =4
b) 4 x + 3y = -3
8x + 5y = -4
c) 3y - 5x = 5
4 ( x + 1) = 3 ( y - 1 )
d) 2 ( x - 5) + 3 ( y - 1) = 5 ( x - 4) - 4y
x - 1 /6 + y + 3/5 = 2

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