![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The sentence is the sum of 5 and three times a number.
\Let n be the number.
\The word “sum” indicates the symbol “+”
\The word “times” indicates multiplication.
\So, three times a number is 3n.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Rewrite the sentence into expression as,
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f0ead566b1d33ca44318201db240e2ae.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The algebraic expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a8bc4048e35243337678a8949fab259f.png\")
.