Use the Echelon Method to Solve the System of Two $$\begin{array}{l}4 x-2 y=9 \\20 x-10 y=27\end{array}$$

Multiple Choice

Use the echelon method to solve the system of two equations in two unknowns.
- $$\begin{array}{l}4 x-2 y=9 \\20 x-10 y=27\end{array}$$

A) $\left(\frac{1}{2} y+\frac{9}{4}, y\right)$
B) $\left(1,-\frac{5}{2}\right)$
C) $(1,0)$
D) No solution