Some issues solving linear equation

[Didier Lachieze]

(06-22-2018 01:06 PM)sasa Wrote:  I'm interested what is result of more recent calculators on these synthetic examples, for instance on Prime.

On the Prime in CAS mode :
linsolve([x+y+2*z=-2,3*x-y+14*z=6,x+2*y=-5],[x,y,z])
returns [-4*z+1,2*z-3,z]

linsolve([x-5*y+3*z=-8,0*x+2*y+z=3,0*x+0*y+0*z=7],[x,y,z])
returns: []