Solve the Equation for X $$\left| \begin{array} { r r } - 2 & 5 \\1 & x\end{array} \right| = - 7$$

Multiple Choice

Solve the equation for x.
- $$\left| \begin{array} { r r } - 2 & 5 \\1 & x\end{array} \right| = - 7$$

A) $\{ 1 \}$
B) $\{ - 7 \}$
C) $\{ 6 \}$
D) $\varnothing$