Here are some tutorial videos from the chapter:
Solving linear systems using substitution: https://www.youtube.com/watch?v=7v2mCpOZ8gs
Solving linear systems using elimination: https://www.youtube.com/watch?v=9JZ5yabvKXU
Solving linear systems that are dependent or inconsistent: https://www.youtube.com/watch?v=Uw_MvRR6Kto
Solving linear systems with matrices part 1: https://www.youtube.com/watch?v=86kDXljENDs
Solving linear systems with matrices part 2: https://www.youtube.com/watch?v=ek0sV3sD-OU
Solving linear systems with matrices part 3: https://www.youtube.com/watch?v=r09GPmOi6xM
Partial Fractions case 1: https://www.youtube.com/watch?v=BXjafKZx_uc
Partial Fractions case 2: https://www.youtube.com/watch?v=E2I3aah-6zQ
Partial Fractions case 2 again: https://www.youtube.com/watch?v=3jWF_biJo54
Partial Fractions case 3: https://www.youtube.com/watch?v=ypO_4-kOdvg
Partial Fractions case 4: https://www.youtube.com/watch?v=bbuVdluJjI4
Systems of linear inequalities: http://www.youtube.com/watch?v=tqvpQr4UUzA
Systems of linear equations: https://www.youtube.com/watch?v=_6E06igk4V8
Systems of linear equations using the calculator: https://www.youtube.com/watch?v=UfbK5RACsrE