[Tugindia] eqnarray and text alignment

[Aditya Mahajan]

On Thu, 16 Feb 2006, Ashis Kumar Mal wrote:

> Hello,
> I wish to format the following maths equations seperated by text
> such as:
>
>        x=y+1
> and
> 	z=y-1
>
> using eqnarry environment.
> I tried this code.

Do not use eqnarry. It is bad for a variety of reasons. See
http://www.tex.ac.uk/cgi-bin/texfaq2html?label=eqnarray

You should use amsmath for alignment, and use can get the result  that you 
want as follows

\begin{align}
   x &= y+1 \\
\intertext{and}
   z &= y -1
\end{align}

HTH,
Aditya