\(\left\{ \begin{array}{l}3\left( {x + 1} \right) - y = 6 - 2y\\2x - y = 7\end{array} \right.\)
A.\(\left( {x;y} \right) = \left( {2;3} \right)\)
B.\(\left( {x;y} \right) = \left( {2; - 3} \right)\)
C.\(\left( {x;y} \right) = \left( { - 2;3} \right)\)
D.\(\left( {x;y} \right) = \left( { - 2; - 3} \right)\)
A.\(\left( {x;y} \right) = \left( {2;3} \right)\)
B.\(\left( {x;y} \right) = \left( {2; - 3} \right)\)
C.\(\left( {x;y} \right) = \left( { - 2;3} \right)\)
D.\(\left( {x;y} \right) = \left( { - 2; - 3} \right)\)
Loga
Hóa Học lớp 12
