(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I need to find the inverse to element in 7 in ring [tex]Z_{13}[/tex]

2. Relevant equations

7^-1 in [tex]Z_{13}[/tex]

3. The attempt at a solution

Needs to find X so that, 7x=1 in [tex]Z_{13}[/tex] => 7x=1+k*13

And then my notes was messed up :(

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# Homework Help: Stuck, finding inverse in element in ring Z

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