\(\frac{x}{3} - \frac{4}{y} = \frac{1}{5}\)
A.\(\left( {x;y} \right) \in \left\{ {\left( {0;\,\, - 20} \right),\,\,\left( {1;\,\,30} \right),\,\,\left( {3;\,\,5} \right)} \right\}\)
B.\(\left( {x;y} \right) \in \left\{ {\left( {0;\,\, - 20} \right),\,\,\left( {1;\,\, - 30} \right),\,\,\left( {3;\,\,5} \right)} \right\}\)
C.\(\left( {x;y} \right) \in \left\{ {\left( {0;\,\,20} \right),\,\,\left( {1;\,\, - 30} \right),\,\,\left( {3;\,\, - 5} \right)} \right\}\)
D.\(\left( {x;y} \right) \in \left\{ {\left( {0;\,\,20} \right),\,\,\left( {1;\,\,30} \right),\,\,\left( {3;\,\, - 5} \right)} \right\}\)