September 2018 2 55 Report

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Przekształcając poprawnie układ równań { x - y = 2 i { 2x + 3y = 5 ; otrzymamy:


A { 5y = 7

{ x - y = 2


B { -x = 11

{ x - y = 2


C { 5y = 1

{ x - y = 2


D { 5x = 7

{ x - y = 2


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