October 2018 1 22 Report

Rozwiąż układy równań:

\left \{ {{-3(x-y)+8(2x+y)=3(x+2y)-5(x+y)}\atop{-2(x-3)+6(y+4)=3(x+1)-(y+4) }} \right.

\left \{ {{3(2x+y)-5(y-x)=2(3x-2y)+3(x-y)} \atop {-5(x+2)+3(y-1)=4(1-2x)-2(9+2y)}} \right.


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