Solve the System by the Method of Your Choice $$x - 4 y = 3$$

Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many
solutions, using set notation to express their solution sets.
- $$x - 4 y = 3$$
$- 5 x + 20 y = - 15$

A) $\{ ( 3,0 ) \}$
B) $\{ ( 0,0 ) \}$
C) $\{ ( x , y ) \mid x - 4 y = 3 \}$
D) $\varnothing$