$\left\{\begin{matrix}d=-\frac{3-10x\gamma }{l}\text{, }&l\neq 0\\d\in \mathrm{C}\text{, }&\gamma =\frac{3}{10x}\text{ and }x\neq 0\text{ and }l=0\end{matrix}\right.$

$\left\{\begin{matrix}l=-\frac{3-10x\gamma }{d}\text{, }&d\neq 0\\l\in \mathrm{C}\text{, }&\gamma =\frac{3}{10x}\text{ and }x\neq 0\text{ and }d=0\end{matrix}\right.$

$\left\{\begin{matrix}d=-\frac{3-10x\gamma }{l}\text{, }&l\neq 0\\d\in \mathrm{R}\text{, }&\gamma =\frac{3}{10x}\text{ and }x\neq 0\text{ and }l=0\end{matrix}\right.$

$\left\{\begin{matrix}l=-\frac{3-10x\gamma }{d}\text{, }&d\neq 0\\l\in \mathrm{R}\text{, }&\gamma =\frac{3}{10x}\text{ and }x\neq 0\text{ and }d=0\end{matrix}\right.$