![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The table is
\| \
x \ | \
\
4 \ | \
\
5 \ | \
\
6 \ | \
\
7 \ | \
| \
y \ | \
\
12 \ | \
\
19 \ | \
\
26 \ | \
\
33 \ | \
Observe the table: value of x is increased by add of 1.
\![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3a295472bb48855a9a815647f1cf1c4b.png\")
Observe the table: value of y is increased by 7.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e4b12f00e2b87594d6b1cdc6d5120456.png\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Write a verbal model for the current situation:
\ ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a62229c2d647d1a4505d074eea75fdb8.png\")
\
The equation of y is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ceca0539d8f3c25577fea3dd950c9a5.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The equation of y is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ceca0539d8f3c25577fea3dd950c9a5.png\")
.