Knowing me, I'm probably being obscure. Example attached.
Basically,
Type \begin{multline} as ert
enter inline formula
type \end{multline} as ert
Rod
On Mon, 19 Aug 2002, Andre Poenitz wrote:
> On Mon, Aug 19, 2002 at 05:21:14PM +0800, Rod Pinna wrote:
> > Inserting the equation bit inline with mathed gets me $equation$, which
> > seems to make latex fall over.
>
> What exactly are you doing?
>
> Andre'
>
> --
> Those who desire to give up Freedom in order to gain Security,
> will not have, nor do they deserve, either one. (T. Jefferson)
>
_________________________________________________________________
rod | "Beneath the waves, the waves / That's where I will be /
| I'm going to see the cow beneath the sea."
| They Might Be Giants, Lincoln
#LyX 1.2 created this file. For more info see http://www.lyx.org/
\lyxformat 220
\textclass article
\language english
\inputencoding auto
\fontscheme default
\graphics default
\paperfontsize default
\spacing single
\papersize Default
\paperpackage a4
\use_geometry 0
\use_amsmath 1
\use_natbib 0
\use_numerical_citations 0
\paperorientation portrait
\secnumdepth 3
\tocdepth 3
\paragraph_separation indent
\defskip medskip
\quotes_language english
\quotes_times 2
\papercolumns 1
\papersides 1
\paperpagestyle default
\layout Standard
\begin_inset ERT
status Collapsed
\layout Standard
\backslash
begin{multline}
\end_inset
\begin_inset Formula $x=y+1+2+3+4+5+6+7+\int x^{2}dx+8+9\\
+10+11+12+13+14+15$
\end_inset
\begin_inset ERT
status Collapsed
\layout Standard
end{multline}
\end_inset
\the_end
%% LyX 1.2 created this file. For more info, see http://www.lyx.org/.
%% Do not edit unless you really know what you are doing.
\documentclass[english]{article}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage{amsmath}
\usepackage{amssymb}
\makeatletter
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% LyX specific LaTeX commands.
\providecommand{\LyX}{L\kern-.1667em\lower.25em\hbox{Y}\kern-.125emX\@}
\usepackage{babel}
\makeatother
\begin{document}
\begin{multline}$x=y+1+2+3+4+5+6+7+\int x^{2}dx+8+9\\
+10+11+12+13+14+15$end{multline}
\end{document}
