Given that the equation 4K (x + 2) - 1 = 2x about X has no solution, find the value of K fast

Given that the equation 4K (x + 2) - 1 = 2x about X has no solution, find the value of K fast

4kx+8k-1=2x
4kx-2x=1-8k
(4k-2)x=1-8k
If there is no solution, then 4k-2 = 0
k=1/2