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--- a/macros/latex/contrib/tkz/tkz-linknodes/examples/latex/equation.tex
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-\documentclass[]{article}
-\usepackage[utf8]{inputenc}
-\usepackage[upright]{fourier}
-\usepackage{tkz-linknodes}
-\thispagestyle{empty}
-
-\begin{document}
-
-\parindent=0pt
-
-\begin{center}
- \fbox{%
- \begin{minipage}{10cm}
- \begin{NodesList}[margin=2 cm]
- \begin{align}
- 3\left(x^2-\frac{2}{3}\right) &= 4 \AddNode\\
- 3x^2-2 &= 4 \AddNode\\
- 3x^2 &= 6 \AddNode\\
- \intertext{\hfil isolate the term with the variable \hfil}
- x^2 &= 2 \AddNode\\
- \sqrt{x^2} &= \sqrt{2} \AddNode\\
- |x| &= \sqrt{2} \AddNode\\
- x &= \pm\sqrt{2} \AddNode
- \end{align}
- \LinkNodes{expand}%
- \LinkNodes{$+2$}%
- \LinkNodes{$\div 3$}
- \LinkNodes{$\sqrt{\ldots}$}
- \LinkNodes{$\sqrt{x}=|x|$}
- \LinkNodes{so that}
- \end{NodesList}
- \end{minipage}}
-\end{center}
-
-\end{document}
-% Encoding : utf8
-% Author : Alain Matthes (2008)
-% Engine : pdfLaTeX (LaTeX only with pdftex >= 1.40)
-% Packages : xkeyval, tikz with arrow library, amsmath, etex, ifthen
-% Remark : needs two compilations \ No newline at end of file