在解方程组\(\left\{ {\begin{array}{*{20}{l}} {ax + 5y = 10} \\ {4x - by = - 4} \end{array}} \right.\)时，由于粗心，甲看错了方程组中的\(a\)，得到的解为\(\left\{ {\begin{array}{*{20}{l}} {x = - 3} \\ {y = - 1} \end{array}} \right.\)乙看错了方程组中的\(b\)，得到的解为\(\left\{ {\begin{array}{*{20}{l}} {x = 5} \\ {y = 4} \end{array}} \right.\)则原方程组的解___．

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