The equation is .
According to addition property of equality: Add 5 to each side.
(Add: )
The value of .
![\"\"](\"/userfiles/image/Library/addition_property_of_equality.gif\")
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a1bcf548845709017b0974c72caf5717.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c25371182a94389df64e382329b043f5.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fb00c7c95f9440ef5f69c731b9ace3d7.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=859df1ac80abcf2361f4771709a6663e.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
.