Answer :
y = 2x
x = y/2
now,
2x - 4x + 3 = 0
2 (y/2) - 4 (y/2) + 3 = 0
y - 2y + 3 = 0
-y + 3 = 0
-y = -3
y = 3
hence, solved.
x = y/2
now,
2x - 4x + 3 = 0
2 (y/2) - 4 (y/2) + 3 = 0
y - 2y + 3 = 0
-y + 3 = 0
-y = -3
y = 3
hence, solved.