Para liczb [tex]\left \{ {{x=\frac{1}{4} } \atop {y=-1\frac{1}{2} }} \right.[/tex] spełnia układ równań:
A. [tex]\left \{ {{x+y=-1\frac{1}{4} } \atop {2x-y=-2}} \right.[/tex]
B. [tex]\left \{ {{3x-\frac{1}{2}y =1\frac{1}{2} } \atop {4x+y=1}} \right.[/tex]
C. [tex]\left \{ {{4x-2y=4} \atop {2x-y=2}} \right.[/tex]
D. [tex]\left \{ {{2x-\frac{1}{3}y =1} \atop {-4x+2y=-2}} \right.[/tex]