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Home  /  Precalculus: HS Edition (6e)  /  Chapter 7 · Systems of Equations and Inequalities
Section 7.2

Systems of Linear Equations in Three Variables

Solving 3x3 linear systems by elimination/back-substitution; recognizing inconsistent and dependent systems.

4 lessons. Pick what you need.

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Chapter 7 · Systems of Equations and Inequalities
7.1 7.2 7.4
Lesson

Lesson Solving Systems of Linear Equations with Matrices (Gauss-Jordan Method)

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Lesson

Lesson Solving a System of 3 Equations with the Gauss-Jordan Method

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Lesson

Lesson on the Gauss-Jordan Method and No Solutions or Infinite Solutions

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Examples

Examples of the Gauss-Jordan Method with Larger matrices, 3 variables

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