Solve by Addition or Substitution $\frac{1}{5} x-\frac{1}{4} y=3$ $\frac{2}{5} x+\frac{1}{2} y=2$

Multiple Choice

Solve by addition or substitution.
- $\frac{1}{5} x-\frac{1}{4} y=3$
$\frac{2}{5} x+\frac{1}{2} y=2$

A) $(-10,-6)$
B) $(10,-4)$
C) $(20,-4)$
D) $\varnothing$