Chapter 6 extra practice:
PDF Lesson 6.1.1: Rewriting Multi-variable Equations
PDF Lesson 6.1.3 & 6.1.4: Writing Equations for Word Problems
PDF Lesson 6.2.1 & 6.2.2: Solving Systems by Substitution
PDF Lesson 6.3.1 to 6.3.3: Elimination Method
More solving systems practice (graphing)
More solving systems practice (substitution)
More solving systems practice (elimination)
Equation solving:
PDF Lesson A.1.1 & A.1.2: Simplifying Algebraic Expressions
PDF Lesson A.1.3 to A.1.4: Comparing Algebraic Expressions
PDF Lesson A.1.5 to A.1.8: Solving Equations
Video: Equal Values Method 1
Video: Equal Values Method 2
Video: Substitution 1
Video: Substitution 2
Video: Elimination 1
Video: Elimination 2