Question

当x为何值时,分式3-x/2-x的值比分式2/x-2的值大3

Answer 1

由题意可得：（3-x）/(2-x)-2/(x-2)=3

(x-3)/(x-2)-2/(x-2)=3

(x-3-2)/(x-2)=3

x-5=3(x-2)

x-5=3x-6

2x=1

x=1/2