Solve for a
a=e\left(\sqrt{5}-2\right)jst+3-\sqrt{5}
Solve for j
\left\{\begin{matrix}j=-\frac{\left(\sqrt{5}+2\right)\left(-a+3-\sqrt{5}\right)}{est}\text{, }&t\neq 0\text{ and }s\neq 0\\j\in \mathrm{R}\text{, }&a=3-\sqrt{5}\text{ and }\left(t=0\text{ or }s=0\right)\end{matrix}\right.
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