![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Write the each equation in slope-intercept form y = mx + b.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4088c0e495f8ed1d757afb9babc09b81.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f8c5696bf3d3896c4374e6aa3f2537b.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Graph the equations and find the intersection point.
\![\"system](\"/userfiles/image/Library/Algebra%202/system_equations_x+y=4_and_-4x+y=9_graph.gif\")
The graphs appear to intersect at (-1, 5).![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step3.JPG\")
Since there is one solution .This system is consistent and independent.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The system is consistent and independent.