September 2018 2 21 Report

Rozwiąz podane układy równań metodą przeciwnych współczynników.

a) \left \{ {{3x+y=5} \atop {2x-y=0}} \right

b)\left \{ {{2x-y=5} \atop {x+y=4}} \right

c)\left \{ {-x-{y=-6} \atop {-x+y=2}} \right

d)\left \{ {{4x-6y=-4} \atop {-2x+3y=1,1}} \right

e)\left \{ {{-2x+y=0} \atop {3x-3y=1}} \right

f)\left \{ {{3x-2y=-12} \atop {2x-5y=-19}} \right


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