September 2018 2 16 Report

Rozwiąż układ równań:
a) \left \{ {{2x-y=-7} \atop {4x+4+2y=18}} \right
b) \left \{ {{\frac{x-y}{2}-\frac{y+3}{5}=x+2y} \atop {\frac{3-2x}{3}-\frac{4y-2}{6}=2-\frac{x}{2}}} \right


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