Respuesta :

Answer:

i don't know if it's dependent or not cuz not native english speaker, but here's the answer

Step-by-step explanation:

[tex]\left \{ {{12x+3y=12} \atop {y=-4x+5}} \right.[/tex]   [tex]\left \{ {{-4x-y=-4} \atop {4x+y=5}} \right.[/tex]  ⇒ 0=1      (x; y) ∈ ∅