Answer:
[tex]\left \{ {{-6x-6y=12} \atop {x+6y=-32}} \right.[/tex]
Step-by-step explanation:
note, that (-2)*(3x+3y)=(-2)*(-6) is 6x-6y=12.
Then the system
[tex]\left \{ {-6x-6y=12} \atop {x+6y=-32}} \right.[/tex]
has the same roots as the system provided above.
