Respuesta :

Answer:

[tex]\left \{ {{x=\frac{4496}{3} } \atop {y=-\frac{3596}{3} }} \right.[/tex]

Step-by-step explanation:

Solve: [tex]x+y=300\\12x+15y=4\\12x+15y=4[/tex]

   ↓

[tex]x=\frac{4496}{3}\\y=-\frac{3596}{3}[/tex]

I hope this helps you

:)