Odpowiedzi

2009-12-16T19:57:09+01:00
{x+3y=3
x-y=5
y+5 + 3y = 3
x= 5+y

4y= -2
x= 5+y

y=-0,5
x= 4,5
:)
2 3 2
2009-12-16T19:57:16+01:00
X+3y=3
x-y=5

x+3y=3
x=5+y

5+y+3y=3
x=5+y

4y=-2
x=5+y

y=-½
x=5+(-½)

y=-½
x=4½
2 3 2