![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bd0399607d5775e545c89c3a260ba1d2.png\")
\
The equation is
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=766d454d0af70fa2e04fec5879e8155a.png\")
(Substitute 9 for y)
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3609fd47d60a9cab116d9e73d81fc858.png\")
(Subtract: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7cd54f963539be580f7d6fb83f62778d.png\")
)
The equation is true. The given number is a solution of the equation.
\![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bd0399607d5775e545c89c3a260ba1d2.png\")
----------------------
\ The given number is a solution of the equation.