![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Rewrite the equation in standard form Ax + By = C.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9a18f0d2e6787249405dcffa9de70f1f.png\")
(Add: 2x + 5x = 7x)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2d7f96d8aa283615d3aef038cf242250.png\")
(Subtract 7x from each side)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1a728fc1c0c88865380698496d549e0b.png\")
(Simplify)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8d11962818072657675c608750684999.png\")
(Multiply each side by negative one)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=56c99bb66d06f938ff521be7bf30ba05.png\")
(Product of two same signs is positive)
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
The equation is now in standard form where A = 7, B = ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c4ee1deff9620fa26a23e148ca55046e.png\")
, and C = 0.This is a linear equation.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The equation 7y = 2x + 5x is a linear equation.