Mathematics Matrices 1 Mark Appeared in: 2025 (3 sets) If $\begin{vmatrix} 2x & 5 \\ 12 & x \end{vmatrix} = \begin{vmatrix} 6 & -5 \\ 4 & 3 \end{vmatrix}$, then the value of x is : (A) 3 (B) 7 (C) $\pm 7$ (D) $\pm 3$