The expression is .
First draw a number line diagram
Locate the points 2 and 7 on number line
From point 2 to move 5 units right
= 7 (Add: )
The sum of the expression is 7.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d78cea2d81d33bce4a82da0653756a12.png\")
.![\"graph](\"/userfiles/image/Library/Algebra1/graph_of_the_number_line_diagram_2+5.gif\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d78cea2d81d33bce4a82da0653756a12.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=55385b039915ddb8a1e100f697a52b76.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")