November 2018 1 17 Report

Rozwiąż algebraicznie układy równań.

\left \{ {{3x-8y=-1} \atop {-6x-4y=3}} \right.

\left \{ {{\frac{1}{3}x+\frac{1}{2}y=3} \atop {\frac{1}{6}x+\frac{1}{2}y=2}} \right.

\left \{ {{2(x-y)+3(x+y)=15} \atop {3(2x-y)-2(x-y)=3}} \right.


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