|
4.3 Solving systems of linear equations by the
addition method, part 1
http://www.screencast.com/users/Kathy_Hays/folders/Jing/media/2bd1a052-7b34-4fd4-bdd7-7d8f865a5dc1
4.4 Problem solving using systems of equations,
part 1
http://www.screencast.com/users/Kathy_Hays/folders/Jing/media/85fa7dbe-161c-4d4a-85db-a327d4175222
4.4 Problem solving using systems of equations,
part 2
http://www.screencast.com/users/Kathy_Hays/folders/Jing/media/683d9040-fadd-445e-b01d-710c68f119db
4.4 Problem solving using systems of equations,
part 3
http://www.screencast.com/users/Kathy_Hays/folders/Jing/media/225863fb-5868-4d96-9dbd-20e3d2543392
|