Problem:
Solve the following system of two equations: 
$-19 x-y+1=0$, $20 x+9 y-6=0$
Answer:
$x=\frac{3}{151}$, $y=\frac{94}{151}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/system_of_equations/17424.txt'}