September 2018 1 30 Report
Zadanie 1) Rozwiąż układy równań a) 2(x-3)+3(y-5)=4(x-1)-3(y-7) MOZNA METODA SKRÓCONĄ 2(x+y)-5(y-x)=3(2x-y)+5(5x-3y) b) -3(x-y)+8(2x+y)=3(x+2y)-5(x+y) -2(x-3)+6(y+4)=3(x+1)-(y+4) c) x+2y/3 + x+y/2 = 1 1/2 x-2y/5 - 2x+y/2= -1 d ) x+y/2 + 2x+y/3 = 4 2x-y/4 - x+y/6 = -1/6
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