deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 0cad2c6..1e06220 100644  --- a/untitled.tex  +++ b/untitled.tex 
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\textit{}\subsubsection{}  \documentclass[12pt,a4paper]{article}  \usepackage[utf8]{inputenc}  \usepackage{tabular} 
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= 30a + 5 \\  = 5( 6a + 1) \\  which is clearly divisible by 5.  \end{description}  \end{document}