\
The equation is
\
(Add
to each side)
\ \
\
(Divide each side by 2)
\ \
\
\ \
\
\
\ \
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2a5f3d32faf46575a20a261330945e3e.png\")
![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=45edd97934417c6ca8d41f1cc4efaaae.png\")
(Add ![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=1f0c379a6972dd438b8c33b10e7f71c0.png\")
to each side) \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=64d5290c74253125497f8ae40e0784de.png\")
(Divide each side by 2) \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=00f25b4f2a633ec01ff5f1a1a51c6a98.png\")
\ \
![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=e49c7500c01bfe5b692d6cd557e304e1.png\")