Show reference number in latex code example

Example 1: overleaf bibtex file

\usepackage[style=ieee, citestyle=numeric-comp, backend=biber]{biblatex}

\addbibresource{reference.bib}

\begin{document}



\printbibliography

\end{document}

Example 2: latex add lnie numbers

\usepackage{lineno}
\linenumbers

Example 3: latex number listing as equation

\begin{equation} \label{eq:lm.eq:lm.model}
    \text{\lstinline[language=R]|lm.model <- lm(Total.Score ~ Game.Num, data = sid1133)|}
\end{equation}