Rozwiąż metodą wyznacznikową następujący układ równań:
{ 2x - 3y - 1 = (x -5y)/2 - 1/2
(1 3/4)y - (1/4)x = 3y/2 + 1/4
{ 2x - 3y - 1 = (x -5y)/2 - 1/2 /*2(1 3/4)y - (1/4)x = 3y/2 + 1/4 /*4
4x-6y-2=x-5y-1
7y-x=6y+1/*4
28y-4x=24y+4
4x-6y-2=x-5y-1 *
______________________________________
y=0
obl x z *
4x-6*0-2=x-5*0-1
4x-2=x-1
3x=1/ /3
x=1/3
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{ 2x - 3y - 1 = (x -5y)/2 - 1/2 /*2
(1 3/4)y - (1/4)x = 3y/2 + 1/4 /*4
4x-6y-2=x-5y-1
7y-x=6y+1/*4
28y-4x=24y+4
4x-6y-2=x-5y-1 *
______________________________________
y=0
obl x z *
4x-6*0-2=x-5*0-1
4x-2=x-1
3x=1/ /3
x=1/3
y=0