February 2019 0 12 Report
a)\left \{ {x-y=2{} \atop { \frac{1}{2}x-1= \frac{1}{4}y }} \right. b)\left \{ {5x-1=3y} \atop {1,6y-2=4-2x}} \right.  c)\left \{ {-x-y=2} \atop {2(3x+y)=-20}} \right.  d)\left \{ {{4x+3y=54} \atop { \frac{1}{3}x=4(1+ \frac{1}{8} y) }} \right.

na to duże A i <br/> prosze nie zwracać uwagi to są błendy nie wiem jak usunąć


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