3: Systems of Equations and Inequalities Last updated Sep 27, 2020 Save as PDF 2.7: Putting It Together- Graphing 3.1: Why It Matters- Systems of Equations and Inequalities Page ID51425 ( \newcommand{\kernel}{\mathrm{null}\,}\) 3.1: Why It Matters- Systems of Equations and Inequalities3.2: Graphs and Solutions to Systems of Linear Equations3.3: Algebraic Methods for Solving Systems3.4: Applications of Systems3.5: Putting It Together- Systems of Equations and Inequalities