\(\left\{ \begin{array}{l}3x - 4y = 17\\5x + 2y = 11\end{array} \right.\)
A.\(\left( {x;\,\,y} \right) = \left( { - 3; - 2} \right).\)
B.\(\left( {x;\,\,y} \right) = \left( {3; - 2} \right).\)
C.\(\left( {x;\,\,y} \right) = \left( { - 3;2} \right).\)
D.\(\left( {x;\,\,y} \right) = \left( { 3;2} \right).\)
A.\(\left( {x;\,\,y} \right) = \left( { - 3; - 2} \right).\)
B.\(\left( {x;\,\,y} \right) = \left( {3; - 2} \right).\)
C.\(\left( {x;\,\,y} \right) = \left( { - 3;2} \right).\)
D.\(\left( {x;\,\,y} \right) = \left( { 3;2} \right).\)
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Hóa Học lớp 12
