The expression is .
§ Start at zero.
§ Move 4 units to the right.
§ From there, move 6 units to the left. \ \
Rewrite the expression,
(Add: )
The solution is, .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9193633691e99fd67f88d3e2acf53d29.png\")
. ![\"\"](\"/userfiles/image/Library/Algebra1/numberline_pa89_p6.gif\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=901c02be64a770944b40206c7ce63d13.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9ef77688166cacc775544fd082a62ae2.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=60c549e0948dd4499146d58a00d719be.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=74f3d3e4c40071d7ac71e61153308410.png\")
.