Rozwiąż układ równań z dwoma niewiadomymi.
x/4 - y/6 = -5/12
x/5 + y/2 = 3/10
x/4 - y/6 = -5/12 /*12
x/5 + y/2 = 3/10 /*10
3x-2y=-5 /*2
2x+5y=3 /*(-3)
6x-4y=-10
-6x-15y=-9 dodajemy stronami
-19y=-19
y=-19/-19
y=1
3x-2=-5
3x=-5+2
3x=-3
x=-3/3
x=-1
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x/4 - y/6 = -5/12 /*12
x/5 + y/2 = 3/10 /*10
3x-2y=-5 /*2
2x+5y=3 /*(-3)
6x-4y=-10
-6x-15y=-9 dodajemy stronami
-19y=-19
y=-19/-19
y=1
3x-2=-5
3x=-5+2
3x=-3
x=-3/3
x=-1