Przykład 2.
[tex]\left \{ {{3x+2y=4\ |*(-2)} \atop {2x+3y=1\ |*3}} \right. \\\left \{ {{-6x-4y=-8} \atop {6x+9y=3}} \right|+ \\\left \{ {{5y=-5\ |:5} \atop {2x+3y=1}} \right.\\\left \{ {{y=-1} \atop {2x+3*(-1)=1}} \right.\\\left \{ {{y=-1} \atop {2x=4\ |:2}} \right.\\\left \{ {{x=2} \atop {y=-1}} \right.[/tex]
Przykład 3.
[tex]\left \{ {{2x+5y=-3\ |*2} \atop {3x-2y=5\ |*5}} \right. \\\left \{ {{4x+10y=-6} \atop {15x-10y=25}} \right|+\\\left \{ {{19x=19\ |:19} \atop {3x-2y=5}} \right.\\\left \{ {{x=1} \atop {3*1-2y=5}} \right.\\\left \{ {{x=1} \atop {-2y=2\ |:(-2)}} \right.\\\left \{ {{x=1} \atop {y=-1}} \right.[/tex]
Przykład 4.
[tex]\left \{ {{4x+3y=-4\ |*5} \atop {3x-5y=-3\ |*3}} \right.\\ \left \{ {{20x+15y=-20} \atop {9x-15y=-9}} \right|+\\\left \{ {{29x=-29\ |:29} \atop {3x-5y=-3}} \right.\\\left \{ {{x=-1} \atop {3*(-1)-5y=-3}} \right.\\\left \{ {{x=-1} \atop {-5y=0\ |:(-5)}} \right.\\\left \{ {{x=-1} \atop {y=0}} \right.[/tex]
