Use solveset and linsolve in line3d.py
Use solveset and linsolve in line3d.py

Arafatk/sympy,MechCoder/sympy,Designist/sympy,moble/sympy,aktech/sympy,farhaanbukhsh/sympy,postvakje/sympy,sampadsaha5/sympy,Shaswat27/sympy,debugger22/sympy,ga7g08/sympy,Shaswat27/sympy,kevalds51/sympy,shikil/sympy,madan96/sympy,bukzor/sympy,oliverlee/sympy,aktech/sympy,VaibhavAgarwalVA/sympy,wyom/sympy,jbbskinny/sympy,moble/sympy,jaimahajan1997/sympy,lindsayad/sympy,lindsayad/sympy,kaichogami/sympy,kaushik94/sympy,Arafatk/sympy,hargup/sympy,kumarkrishna/sympy,bukzor/sympy,kumarkrishna/sympy,mafiya69/sympy,sahmed95/sympy,yukoba/sympy,ahhda/sympy,drufat/sympy,ga7g08/sympy,jerli/sympy,emon10005/sympy,Curious72/sympy,hargup/sympy,chaffra/sympy,farhaanbukhsh/sympy,Vishluck/sympy,iamutkarshtiwari/sympy,atreyv/sympy,Davidjohnwilson/sympy,jbbskinny/sympy,aktech/sympy,mcdaniel67/sympy,jerli/sympy,shikil/sympy,VaibhavAgarwalVA/sympy,cswiercz/sympy,iamutkarshtiwari/sympy,pandeyadarsh/sympy,shikil/sympy,ahhda/sympy,oliverlee/sympy,ChristinaZografou/sympy,abhiii5459/sympy,drufat/sympy,skidzo/sympy,postvakje/sympy,Titan-C/sympy,hargup/sympy,moble/sympy,yukoba/sympy,wanglongqi/sympy,lindsayad/sympy,yashsharan/sympy,pandeyadarsh/sympy,jbbskinny/sympy,MechCoder/sympy,emon10005/sympy,kaichogami/sympy,madan96/sympy,Titan-C/sympy,yukoba/sympy,chaffra/sympy,Davidjohnwilson/sympy,madan96/sympy,wyom/sympy,wyom/sympy,kumarkrishna/sympy,VaibhavAgarwalVA/sympy,grevutiu-gabriel/sympy,maniteja123/sympy,yashsharan/sympy,skidzo/sympy,kaichogami/sympy,rahuldan/sympy,wanglongqi/sympy,atreyv/sympy,mcdaniel67/sympy,kaushik94/sympy,mafiya69/sympy,drufat/sympy,ChristinaZografou/sympy,maniteja123/sympy,debugger22/sympy,saurabhjn76/sympy,ahhda/sympy,sahmed95/sympy,Shaswat27/sympy,grevutiu-gabriel/sympy,rahuldan/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,rahuldan/sympy,pandeyadarsh/sympy,sampadsaha5/sympy,cswiercz/sympy,ChristinaZografou/sympy,Designist/sympy,Titan-C/sympy,yashsharan/sympy,Designist/sympy,mcdaniel67/sympy,debugger22/sympy,Curious72/sympy,MechCoder/sympy,saurabhjn76/sympy,grevutiu-gabriel/sympy,chaffra/sympy,maniteja123/sympy,Arafatk/sympy,emon10005/sympy,postvakje/sympy,souravsingh/sympy,atreyv/sympy,iamutkarshtiwari/sympy,mafiya69/sympy,oliverlee/sympy,ga7g08/sympy,farhaanbukhsh/sympy,skidzo/sympy,sahmed95/sympy,kaushik94/sympy,kevalds51/sympy,cswiercz/sympy,souravsingh/sympy,abhiii5459/sympy,jerli/sympy,Davidjohnwilson/sympy,AkademieOlympia/sympy,AkademieOlympia/sympy,AkademieOlympia/sympy,jaimahajan1997/sympy,Vishluck/sympy,souravsingh/sympy,kevalds51/sympy,saurabhjn76/sympy,wanglongqi/sympy,Vishluck/sympy,abhiii5459/sympy,bukzor/sympy,Curious72/sympy