Replies to post #154 on The Weekend Lounge

[Soapy Bubbles]

Ok... gonna take me a min... ugleee...

[Soapy Bubbles]

 
 First step: 
 Tableau #1 
 x      y      z      s1     s2     s3     p              
 3      2      5      1      0      0      0      23      
 2      1      1      0      1      0      0      8       
 1      1      2      0      0      1      0      7       
 -4     -3     -2     0      0      0      1      0    
 

Now I cheat and have Maple RREF it for me :)