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\begin{equation}MR=MC\end{equation}
How to recall (2)?
Maybe "recall" is not a good word here. Maybe retrieve?
Many thanks in advance!
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\begin{equation}MR=MC\end{equation}
\label
(to set a marker) and \ref
or \eqref
to reference that marker.
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\documentclass{article}
\usepackage{amsmath}
\begin{document}
\begin{equation}
\label{anotherone}
x = 2y
\end{equation}
\begin{equation}
\label{myformula}
MR=MC
\end{equation}
\eqref{myformula} can give us...
\end{document}
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\documentclass[a4paper, 12pt]{article}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage[T1]{fontenc}
\usepackage{graphicx}
\DeclareUnicodeCharacter{202F}{\,}
In this way, we have the following equation in a perfectly competitive market:
\begin{equation}\label{MR=P}MR=P\end{equation}
Remember, \eqref{MR=P} only holds in perfectly competitive market because price is only fixed in this type of market.\\