[texhax] \hline in align environment

[Lars Madsen]

Philip TAYLOR (Ret'd) wrote:
> 
> Nina Mazumdar wrote:
> 
>> How about this?
>>
>> \begin {align*}
>>        4x+  6y -2z &= -4\\
>>         x -y +2z   &=  9\\[-1.4 ex]
>>        \cline{1-2}
>>         5x + 5y    &= 5\\
>>          x + y &= 1
>>  \end {align*}
> 
> I see no line where the \cline contruct occurs;
> do you see one, Nina ?
> 
> ** Phil.
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works fine for me

\documentclass[a4paper]{memoir}
\usepackage{amsmath}
\begin{document}

\begin {align*}
        4x+  6y -2z &= -4\\
         x -y +2z   &=  9\\[-1.4 ex]
        \cline{1-2}
         5x + 5y    &= 5\\
          x + y &= 1
  \end {align*}

\end{document}



-- 

/daleif