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2|2x-3| + |y-1| = 13
________________+
3|2x-3| = 15
|2x-3| = 5
2x-3 = 5 lub 2x-3 = -5
x=4 lub x=-1
-2|2x-3| + 2|y-1| = -4
2|2x-3| + |y-1| = 13
________________+
3|y-1| = 9
|y-1|=3
y-1=3 lub y-1=-3
y=4 lub y=-2
|2*4-3| - |4-1| = 5 - 3 = 2
|2*-1-3| - |-2-1| = 5 - 3 = 2
Rozwiązaniem jest para liczb (4,4), (4,-2), (-1,4) oraz (-1,-2)