##### Subchapters

- Solving Word Problems by Writing Equations
- One Equation or Two?
- Solving Systems of Equations Using Substitution
- Making Connections: Systems, Solutions, and Graphs
- Solving Systems Using Elimination
- More Elimination
- Choosing a Strategy for Solving Systems
- Pulling It All Together
- Chapter 4 Closure

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- Solving Systems of Linear Equations using Substitution
- Solving Systems of Linear Equations Graphically
- Solving Systems of Linear Equations using Elimination