\
The system of equations are
\
\
Augment matrix is
\
\
Augment matrix is
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=860e7dff45048cba0d15ff6b0dd9b173.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b58d45094d06fda5bc5f766d435d14dd.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e6c666922a8494d3756b3c4da77c087a.png\")
.