Odpowiedzi

2010-03-14T18:12:42+01:00
1-(y-2)=2(x+1)
x-y=2

x=2+y
1-y+2=2(2+y)
=
x=2+y
-y+3=4+2y=
-3y=1 /-3
y=-⅓

y=-⅓
x=2-⅓

x=1⅓
y=⅓
Najlepsza Odpowiedź!
2010-03-14T18:15:42+01:00
1-(y-2)=2(x+1)
x-y=2

1-y+2 = 2x+2
x-y=2

-y+3 = 2x+2
x = 2+y

-y+3 = 2(2+y)+2
-y+3 = 4+2y+2
-3y = 3
y = -1
x = 1