2012-04-03 04:44:28 +00:00
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%script{:type => "text/x-mathjax-config"}
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%script{:type => "text/javascript", :src => "http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"}
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.solution {
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border-top: 1px dotted #222;
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%body
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%h2 Solve for $x$:
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#solve-for-x-01.solution
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:escaped
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$$
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\begin{eqnarray}
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6x + 8 & = & 5 \\
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-8 + 6x + 8 & = & 5 - 8 \\
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6x & = & 5 - 8 \\
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6x & = & -3 \\
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6x \times \frac{1}{6} & = & -3 \times \frac{1}{6} \\
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x & = & -3 \times \frac{1}{6} \\
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x & = & -3 \over 6 \\
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x & = & \frac{-1}{2} \\
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\end{eqnarray}
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$$
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2012-04-03 20:45:29 +00:00
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%h2 Solve for $x$ (again):
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#solve-for-x-02.solution
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:escaped
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$$
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\begin{eqnarray}
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10x - 2 & = & 8 \\
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10x - 2 + 2 & = & 8 + 2 \\
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10x & = & 10 \\
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10x \over 10 & = & 10 \over 10 \\
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x & = & 10 \over 10 \\
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x & = & 1 \\
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\end{eqnarray}
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$$
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%h2 Solve for $x$ (again):
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#solve-for-x-03.solution
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:escaped
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$$
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\begin{eqnarray}
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6x - 4 & = & 3 \\
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6x - 4 + 4 & = & 3 + 4 \\
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6x & = & 7 \\
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6x \over 6 & = & 7 \over 6 \\
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x & = & 7 \over 6 \\
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\end{eqnarray}
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$$
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