Odpowiedzi

2009-12-03T20:31:39+01:00
X-3y=5 |-3
y+3x=-5
-3x + 9y = -15
3x + y = -5
10y = -20||10
y = -2
-2 + 3x = -5
3x = -5 + 2
3x = 3||3
x = 1


3x-y = 5 |-2
5x-2y=7
-6x +2y = -10
5x - 2y = 7
- x = 3
x = -3
-9 - y = 5
y = -14
2009-12-03T20:31:26+01:00