Example 6 – Solution cont'd. The matrix is now in row-echelon form, and the corresponding system is.
{"Image DocumentName": "Example 6 \u2013 Solutioncont\u2019d. The matrix is now in row-echelon form, and the corresponding system is.", "Image ImageDescription": "x + 2y \u2013 z = 2. y + z \u2013 2w = \u20133. z \u2013 w = \u20132. w = 3. Using back-substitution, you can determine that the solution is x = \u20131, y = 2, z = 1, and w = 3. .", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}