Odpowiedzi

2010-02-02T15:23:05+01:00
X=y+1
2x = 5x - 4y

x=y+1
2* (y+1) = 5 (y+1) - 4y

x=y+1
2y+ 2 = 5y + 5 - 4y /-2y

x=y+1
2= -y +5 /-5

x=y+1
-3 = -y / *(-1)

x=y+1
y=3

x=3+1
y=3

x= 4
y=3
2010-02-02T15:24:53+01:00
X=y+1
2x=5x-4y

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

x=3+1
x=4