A comprehensive 5-page student packet for 9th-grade Algebra (Unit 8.4) on system solutions, organized in the requested instructional sequence: Do Now, Excellence, Prior Knowledge, Guided Practice, Priority Practice, Mastery, Exit Ticket, and Homework. Revised Excellence and Prior Knowledge sections to be more discovery-based and scaffolded. Fixed overlapping layouts and page breaks. Fixed typo "Can they tied?" to "Will they tie?".