### Question Description

Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists. 2w + x - y = 3, w - 3x + 2y = -4, 3w + x - 3y + z = 1, w + 2x - 4y - z = -2

A. {(1, 3, 2, 1)}

B. {(1, 4, 3, -1)}

C. {(1, 5, 1, 1)}

## Explanation & Answer

Thank you for the opportunity to help you with your question!

A. {(1, 3, 2, 1)}

........................................

Please let me know if you need any clarification. I'm always happy to answer your questions.