Jawapan

2016-03-17T10:27:35+08:00
X - 2y = -1
× = 2y - 1
substitute x ,
4x + 3y - 3xy = 0
4(2y-1) + 3y - 3(2y-1)y =0
8y-4 + 3y - 6y^2 + 3y = 0
-6y^2 + 14 y - 4 = 0
(3y - 1)(y-2) = 0
y = 1/3 , y = 2

when y = 1/3 ,
x = 2y - 1
x = 2(1/3) - 1
x = -1/3

when y = 2 ,
x = 2y - 1
x = 2(2) - 1
x = 3



Terima kasih kerana tolong saya:-)
sama sama :(
:)*