$$\left. \begin{array} { l } { \frac { - c } { 46 } = \frac { 5 c } { a } + \frac { 2 c } { b } [ a - 3 b - 5 c = } \end{array} \right.$$
$c=0\text{, }a\neq 0\text{, }b\in \mathrm{R}\setminus -92,0$
$c\in \mathrm{R}\text{, }a=-\frac{230b}{b+92}\text{, }b\in \mathrm{R}\setminus 0,-92$
$c=0\text{, }a\neq 0\text{, }b=-92$
