////////////////////////////////////////////////////////////////
//
//     http://www.planetquantum.com/Solve/Level1/Den13/Page19.txt
//
////////////////////////////////////////////////////////////////

Generator:
(C (Log 5) (^ 3 1/2) 6 7 3)

Problem:
(= (cdot #[[160 943 791 243 410 37 460]
           [75 933 322 618 763 952 560]
           [135 426 851 772 191 264 789]
           [147 417 898 770 765 776 463]
           [13 387 809 317 961 79 996]
           [630 302 171 556 289 972 400]]
         #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]])
   #[[173] [205] [80] [756] [887] [729]])

Solution:
(= #[[x_1] [x_2] [x_3] [x_4] [x_5] [x_6] [x_7]]
   #[[-43143053511527254]
     [-9493341457551465]
     [50515926668060961]
     [-92540148977987929]
     [-50710074236783268]
     [75377950598208692]
     [35622639192342733]])