Odpowiedzi

2009-12-01T17:16:20+01:00
X+5y=-9,5 ====> x=-9,5-5y
6(-9,5-5y)-3y=9
-57-30y-3y=9
-33y=66
y=-2
x-10=-9,5
x=0,5
5 1 5
2009-12-01T17:16:29+01:00
6x-3y=9
x+5y=-9,5

6x-3y=9
x=-9,5-5y

6*(-9,5-5y)=9
x=-9,5-5y

57-30y=9
-30y=48

y=-1,6

6x-3y=9
6x-4,8=9

6x=13,8
x=2,3
10 3 10
2009-12-01T17:17:27+01:00
6x-3y=9
x+5y=-9,5--> x =-9,5-5y
6(-9,5-5y)-3y=9
-57-30y-3y=9
-30y-3y=9+57
-33y=66|:(-33)
y=-2
x=-9,5-5(-2)
x=-9,5+10
x=0,5

y=-2
x=0,5
10 4 10