y=3(x-y),x=2(x-y)
x=0
y=0请问，怎样解=0，要过程，谢谢y=3(x-y)=3x-3y4y=3xy=3x/4x=2(x-y)=2x-2y=2x-3x/2=x/2x-x/2=0x/2=0x=0y=0*3/4=0