September 2019 0 19 Report
105. Rozwiąż układy równań (wyznacz punkty przecięcia prostych)
\left \{ {{2x+4y=-6} \atop {5x+8y=-11}} \right
\left \{ {{2x-3y=2} \atop {-2x+3y=-2}} \right
\left \{ {{x+2y=1} \atop {-3x-6y=2}} \right

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