a) \begin{cases}a=14 \\ b=\frac{89}{22}\\c=\frac{69}{11}\\d=\frac{13}{22}\\e=-\frac{30}{11} \end{cases}b) \begin{cases}a=-\frac{155012}{303} \\ b=-\frac{4184125}{16362}\\c=-\frac{829444}{8181}\\d=-\frac{233629}{909}\\e=-\frac{794926}{2727} \end{cases}