Which of the following equations have infinitely many solutions?

l. 6(2 x + 4) = 3(4 x + 8)
ll. 0.5(8 x + 4) = 4 x + 2
lll. 7 x + 8 = 7(x + 8)
lV. 3 x + 4 = 7 x - 2
V. 2(6 x + 4) = 4(3 x +2)