deletions | additions       diff --git a/p5.tex b/p5.tex  index 367d0ba..c3f939a 100644  --- a/p5.tex  +++ b/p5.tex 
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\item  It is true that the pairs $(5x+3y,3x+2y)$ and $(x,y)$ have the same GCD. Let's first see how to find a relationship between $a$ and $b$ if we want to find the $gcd(a,b)$.  \[gcd(a,b) = gcd(a mod b,b)\] gcd(a\mod\b,b)\]  \end{itemize}