October 2018 1 20 Report

Rozwiąż układ równań metodą mieszaną.

a) \left \{ {{3x-y=4} \atop {5x-2y=5}} \right.

b) \left \{ {{2x-y=-6} \atop {x-y=-3}} \right.

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

DAJE NAJJ!!


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