November 2018 2 29 Report

e). \left \{ {{ \frac{3x-y}{x+2y} = 2 } \atop {4(x-2)-3(y+5)=-6}} \right. \\ \left \{ {{ \frac{3x-y}{x+2y} = 2 } \atop {4x-8-3y+15=-6}} \right. \\ \left \{ {{ \frac{3x-y}{x+2y} = 2 } \atop {4x-3y=17}} \right.

Czy to będzie tak? Zaczęłam dzialanie, ale nie mam pojęcia czy dobrze...

 f). \left \{ {{3(2x+3)-5(3y-2)} = 22 } \atop {\frac{x-3y}{4x-7y} = -1}} \right

Bardzo proszę o pomoc :D Dam najlepszą oczywiście.


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