Starting with matrix $A$ where $\det(A) = 10$, we perform the following sequence of row operations:\n• Multiply row 2 by $-1$\n• Swap rows 1 and 3\n• Add $2R_1$ to $R_3$ (row 3 becomes $R_3 + 2R_1$)\n\nWhat is the determinant of the resulting matrix?