Respuesta :
x=- 18-2x/3=0
x=3(- 18-2x/3)=0*3
x=-18+2x=0
x=-18+2x+18=0+18
x=2x=18
x=2x/2=18/2
x=9
y=- 18-2*0/3
y=- 18/3
y=-6
x=3(- 18-2x/3)=0*3
x=-18+2x=0
x=-18+2x+18=0+18
x=2x=18
x=2x/2=18/2
x=9
y=- 18-2*0/3
y=- 18/3
y=-6