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|2x+4y=5600zł |2x+4y=5600zł/*2
|-8x+(-4)y=-19400zł |-4x+(-2)y=-9700zł
|2x+4y=5600zł |4x+8y=11200zł
|-6x=-13800zł/*(-1) |6y=1500zł/:6
|6x=13800zł/:6 |y=250zł
|x=2300zł
X- cena jednego komputera
Y- cena jednej drukarki
licze na naj ;)