x-1分之1等于2加1减x分之一 求解.

2024-12-14 04:26:30
推荐回答(4个)
回答1:

由题可知,1 /x-1=2+1/1-x,两边同时乘上x-1,则有1=2x-2-1,于是解得x=2符合题意,

回答2:

1/(x-1)=2+1/(1-x)
1/(x-1)-1/(1-x)=2
1/(x-1)+1/(x-1)=2
2/(x-1)=2
2(x-1)=2
x=2

回答3:

1/(x-1)=2+1/(1-x)
2/(x-1)=2
x=2

回答4:

1/(x-1)=2+1/(1-x)
1/(x-1)-1/(1-x)=2
1/(x-1)+1/(x-1)=2
2/(x-1)=2
x-1=1
x=2
经检验,X=2是方程的解.