![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\
\
The table is
\\
| \
x \ | \
\
0 \ | \
\
5 \ | \
\
10 \ | \
\
15 \ | \
| \
y \ | \
\
7 \ | \
\
17 \ | \
\
27 \ | \
\
37 \ | \
\
Observe the table; value of x is increased by multiples of 5.
\![\"\"](\"/userfiles/image/Library/Value%20of%20x%2038_%2020.gif\")
Observe the table; value of y is increased by 10.
\![\"\"](\"/userfiles/image/Library/Value%20of%20x%2038%20_20_1.gif\")
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Write a verbal model for the current situation:
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0bcc3f41aa521f560c58ff88a5f2ddd4.png\")
\ \
The equation of y is ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f0e33442ec7f6a60469198993b65baf.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
\ \
The equation of y is ![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f0e33442ec7f6a60469198993b65baf.png\")