Problem:
Solve the following system of two equations: 
$6 x+4 y+7=0$, $22 x-5 y-9=0$
Answer:
$x=\frac{1}{118}$, $y=-\frac{104}{59}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/system_of_equations/29631.txt'}