$$\left. \begin{array} { l } { 2 = 808 x _ { 1 } + 9013 } \\ { n : 2 x _ { 1 } + 4 x _ { 2 } + 4 x _ { 2 } \leq 30 } \\ { \quad 4 x _ { 1 } + 3 x _ { 2 } + 30 } \\ { x _ { 1 } + 13 x _ { 2 } \right.$$
$x_{2}=\frac{b}{13}+\frac{9011}{10504}$
$n\geq \frac{12928b-486064}{117143}\text{ and }x_{1}=-\frac{9011}{808}\text{ and }a=\frac{3b}{13}-\frac{126419}{10504}$
$x_{1} = -\frac{9011}{808} = -11\frac{123}{808} = -11.152227722772277$
$n\geq \frac{12928b-486064}{117143}\text{ and }x_{2}=\frac{b}{13}+\frac{9011}{10504}\text{ and }a=\frac{3b}{13}-\frac{126419}{10504}$
