If the matrix $A=\left[\begin{array}{rrr}x & -2 & -5 y \\ 2 & 0 & -9 \\ 10 & 3 z & 0\end{array}\right]$ is skew-symmetric, then the value of $(2 x-3 y+4 z)$ is:

5 6 0 -2

6

The correct answer is Option (2) - 6