Question

I need the answer fast I have to go somewhere right now

Answer 1

$\begin{gathered} x-2y=5\text{ (1)} \\ 2x-4y=10\text{ (2)} \\ \text{from (2)} \\ 2(x-2y)=2(5)\text{ } \\ x-2y=5,\text{ hence (1)=(2) therefore, } \\ \text{the system has }inf\text{initely }many\text{ solutions} \end{gathered}$