January 2019 2 12 Report
Rozwiąż układy metodą przeciwnych współczynników:
a) 3x + 2y = 2
-3x + y = 10
b) 3x + 2y = 5
2x + 2y = 2
c) x + 4y = 11
2x + 5y = 10
d) 4x + 5y = -4
6x + 7y = -6
e) 2x - 11y = 73
3x - 4y = 47
f) -2x + 5y = -10
7x - 4y = 8
g) 9x + 8y = 1
5x - 6y = 11
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