(K-2)X=(K-1)Y=4K-1,求X,Y

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(K-2)X=(K-1)Y=4K-1,求X,Y
(K-2)X=(K-1)Y=4K-1,求X,Y

(K-2)X=(K-1)Y=4K-1,求X,Y
(K-2)X=(K-1)
KX-2X=K-1
KX-K=2X-1
K(X-1)=2X-1
K=(2X-1)/(X-1)
Y=4K-1=4*(2X-1)/(X-1)-1
Y+1=(8X-4)/(X-1)
8X-4=XY-Y+X-1
7X-XY+Y-3=0