Table of contents
- 0. Review of Algebra(846)
- 1. Equations & Inequalities(1104)
- 2. Graphs of Equations(217)
- 3. Functions(524)
- 4. Polynomial Functions(334)
- 5. Rational Functions(99)
- 6. Exponential & Logarithmic Functions(453)
- 7. Systems of Equations & Matrices(489)
- 8. Conic Sections(140)
- 9. Sequences, Series, & Induction(151)
- 10. Combinatorics & Probability(86)
7. Systems of Equations & Matrices
Introduction to Matrices
7. Systems of Equations & Matrices
Introduction to Matrices: Study with Video Lessons, Practice Problems & Examples
177PRACTICE PROBLEM
Find the complete solution or indicate that there is none for this given system of equations using Gaussian Elimination.
![open curly brackets table row cell 3 x minus 2 y plus 4 z equals 7 end cell row cell x minus y minus 5 z equals 4 end cell end table close {"mathml":"<math style=\"font-family:stix;font-size:16px;\" xmlns=\"http://www.w3.org/1998/Math/MathML\"><mstyle mathsize=\"16px\"><mfenced open=\"{\" close=\"\"><mtable columnalign=\"left\"><mtr><mtd><mn>3</mn><mi>x</mi><mo>-</mo><mn>2</mn><mi>y</mi><mo>+</mo><mn>4</mn><mi>z</mi><mo>=</mo><mn>7</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>-</mo><mi>y</mi><mo>-</mo><mn>5</mn><mi>z</mi><mo>=</mo><mn>4</mn></mtd></mtr></mtable></mfenced></mstyle></math>","truncated":false}](https://lightcat-files.s3.amazonaws.com/problem_images/6eba19e081e66143-1670864385252.jpg)
Find the complete solution or indicate that there is none for this given system of equations using Gaussian Elimination.