x-1分之2²-x-1分之5x 6=0解方程

(x+2)分之(x+1)+(x+5)分之(x+4)=(x+3)分之(x+2)+(x+4)分之(x+3)x=-7/2再问：求过程正确答案是负2分之7我知道答案不知道过程再答：1/(2+x)+x/(2+x

(x-1)/x-(1-x)/(x+1)=5(x-1)/2(x+1),(x-1)/x=5(x-1)/2(x+1)+(1-x)/(x+1)=(5/2-1)(x-1)/(x+1)=3(x-1)/2(x+1)

(x+2)/(x+1)=(x+1+1)/(x+1)=1+1/(x+1)其他一样所以原式=1/(x+1)-1/(x+2)-1/(x-5)+1/(x-4)=(x+2-x-1)/(x+1)(x+2)+(x-

x+1分之x+2加上x+4分之x+5等于x+2分之x+3加上x+3分之x+4x+x/1+2+x+x/4+5=x+x/2+3+x+x/3+4x+x+2+x+x/4+5=x+x/2+3+x+x/3+4x+

不知道拟你题目表述对没有.同乘以x(x+5)：2x=x+5x=5检验：x=5符合题意同乘以x-4：x-1=32x=33检验：x=33符合题意

原题应为：(X+2)/(X+1)+(X+5)/(X+4)=(X+3)/(X+2)+(X+4)/(X+3)(X+2)/((X+1)=1+1/(X+1),以下同理则原式可化为：1/(X+1)-1/(X+2

(1)2x/(x+1)=12x=x+1x=1(2)x/(x-2)-1/(x²-4)=1x(x+2)-1=x²-4x²+2x-1=x²-42x=-3x=-3/2(

原式=[(1-1分之x+5)-(1-1分之x+4))+(1-1分之x+3)-(1-1分之x+2)]*[(x+3)(x+5)]\(x^2+7x+13)=[(1分之x+2)-(1分之x+3)+(1分之x+

化简等式得：1-1/(X+6)+1-1/(x+3)=1-1/(x+2)+1-1/(x+7),整理得1/(x+6)-1/(x+7)=1/(x+2)-1/(x+3)；1/[(x+6)(x+7)]=1/[(

解分式方程输入很辛苦.经检验X=7/2是原方程的解.

前面没看懂最后一题是42米设路程为X第一次相遇甲乙路程比16/(X-16)第二次相遇甲乙路程比（X+6)/(2X-6）得方程16/(X-16)=（X+6)/(2X-6）解之得X为0或4242米几年级的

x=-1/2或x=-1/3

方程吗?两边乘3030x-10(x-1)=45(x-1)-48x30x-10x+10*1=45x-45*1-48x30x-10x+48x-45x=-45-1023x=-55x=-55/23

(x-3)分之x-(x^2-3x)分之(x+6)+x分之1等于几?=x²/x(x-3)-(x+6)/x(x-3)+(x-3)/x(x-3)=(x²-x-6+x-3)/x(x-3)=

(x-1)(x-3)(x-4)(x-5)-(x-1)(x-2)(x-3)(x-5)=(x-1)(x-2)(x-4)(x-5)-(x-1)(x-2)(x-3)(x-4)(x-1)(x-3)(x-5)(x

x/(x-2)=(x-4)/(x-5)方程两边同乘(x-2)(x-5),得:x(x-5)=(x-4)(x-2)x^2-5x=x^2-6x+8x=8x/(x-3)=(x+1)/(x-1)x^2-x=x^

1+1/(x+2)+1+1/(x+3)=1+1/(x+4)+1+1/(x+1)1/(x+2)+1/(x+3)=1/(x+4)+1/(x+1)1/(x+3)-1/(x+4)=1/(x+1)-1/(x+2

x+2分之x+1-x+3分之x+2=x+6分之x+5-x+7分之x+61-（x+2）分之1-[1-（x+3）分之1]=1-(x+6)分之1-【1-(x+7)分之1】从而(x+3)分之1-(x+2)分之

本人一次只回答一个算了吧或者你分开提问x/(x+2)=x/(x-1)两边乘(x+2)(x-1)x²-x=x²+2x3x=0x=0经检验,x=0是方程的解