October 2018 1 29 Report

układy równań - metoda przeciwnych współczynników

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

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


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