7x=6x-4解方程

7x=6x-4x?解方程7x=6x-4x7x=2xx=0

解分式方程x-7/x-9+x-3/x-5=x-4/x-6+x-6/x-8将x-7/x-9分解成1+2/(x-9)其他分式同理则原方程等价于1/x-9+1/x-5=1/x-6+1/x-81/x-6-1/x-5=1/x-9-1/x-81/(x-

解方程x-7/x-9+x-3/x-5=x-4/x-6+x-6/x-8

解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)((X-2)(X-4)-(X-3)^2)/(X-3)(X-4)=((X-5)(X-7)-(X-6)^2)/(X-6)(X-7),-1/(X^

解方程:x-4/x-5-x-5/x-6=x-7/x-8-x-8/x-9x-4/x-5-x-5/x-6=x-7/x-8-x-8/x-91+1/x-5-1-1/x-6=1+1/x-8-1-1/x-91/x-5-1/x-6=1/x-8-1/x-9

解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)写清楚一点(x+3)/(x+2)+(x+9)/(x+8)=(x+5)/(x+4)+(x+7)/(x+6)1+(x+5)/(x+2)(x+8

解方程：(x-4)/(x-5)-(x-5)/(x-6)=(x-7)/(x-8)-(x-8)/(x-9)(x-4)/(x-5)-(x-5)/(x-6)=(x-7)/(x-8)-(x-8)/(x-9)1+1/(x-5)-1-1/(x-6)=1+

解分式方程（X-4)/(X-5)-(X-5)/(X-6)=(X-7)/(X-8)-(X-8)/(X-9)左右两边同乘以(X-5)(X-6)(X-8)(X-9)得到(X-4)(X-6)(X-8)(X-9)-(X-5)(X-5)(X-8)(X-

解方程x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3首先由题意得x+1≠0,x+7≠0,x+5≠0,x+3≠0,即x≠-1,x≠-7,x≠-5,x≠-3,则先简化方程(x+1+1)/(x+1)+(x+7+1)/(x+7)=(

求方程解x-5/x-4+x-9/x-8=x-8/x-7+x-6/x-5[1-1/(x-4)]+[1-1/(x-8)]=[1-1/(x-7)]+[1-1/(x-5)]1/(x-4)+1/(x-8)=1/(x-7)+1/(x-5)(x-4+x-

解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)2011-03-16|分享

解因式方程：x-4/x-5+x-8/x-9=x-7/x-8+x-5/x-6(x-4)/(x-5)+(x-8)/(x-9)=(x-7)/(x-8)+(x-5)/(x-6)1+1/(x-5)+1+1/(x-9)=1+1/(x-8)+1+1/(x

解方程(x-4)/(x-5)+(x-8)/(x-9)=(x-7)/(x-8)+(x-5)/(x-6)

解方程：x(x-4)=(x-2)(x-6)x(x-4)=(x-2)(x-6)x^2-4x=x^2-8x+12x^2-x^2-4x+8x=124x=12x=3您好：x(x-4)=(x-2)(x-6)x^4-4x=x^2-8x+128x-4x=

7x(x-6)+3x=4x(2x+5)怎么解这个方程 

7/(x²+x)+4/(x²-x)=6/x²-1解方程两边乘以x(x+1)(x-1)得7x-7+4x+4=6x5x=3x=3/5检验：x=3/5是方程的解∴方程的解为x=3/5

解方程x-4/x=6x-4/x=6x-4=6xx-6x=4-5x=4x=-4/5原方程可以化为x*x-6x-4=0配方（x-3)*(x-3)=13求得x会了吧x=3±根号13

解方程:1/x-7-1/x-5=1/x-6-1/x-4解方程:1/x-7-1/x-5=1/x-6-1/x-41/x-7-1/x-5=1/x-6-1/x-41/x-7+1/x-4=1/x-6+1/x-5(x-4+x-7)/(x-7)(x-4)

解方程：x(3x-4)+2x(x+7)=5x(x-7)+90x(3x-4)+2x(x+7)=5x(x-7)+903x²-4x+2x²+14x=5x²-35x+905x²+10x=5x²-35

7x=6x-4?解方程7x=6x-47x-6x=-4x=-47X=6X-4X=-42