3x+6x=2718解方程

解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)x/(x-2)=2x/(x-3)+(1-x)/(x-2)(x-3)x(x-3)/(x-2)(x-3)=2x(x

解方程3x=-6x3x=-6x3x+6x=09x=0x=03x+6x=09x=0x=0X=03x=-6x=>9x=0=>x=03x=-6x3x+6x=09x=0x=0÷9x=0祝学习进步，望采纳，不懂的欢迎追问。。3x=-6x3x+6x=0

解方程：(x-2)(x^2-6x-9)=x(x-5)(x-3)解方程：(x-2)(x^2-6x-9)=x(x-5)(x-3)将方程展开：X^3-6x^2-9x-2x^2+12x+18=x^3-8x^2+15x合并同类项得：12x=18则x=

x/(x-2)+(x+1)/(x-6)=2x/(x-3)解分式方程你好,我认真解答了这道题,看最终没有实数解啊.我希望能帮到你

x(x-3)=6+3x解方程x^2-3x-6-3x=0x^2-6x-6=0x^2-6x=6(x-3)^2=15x=3+√15或x=3-√15全部展开收起x^2-3x=6+3xx^2-3x-3x=6配方得：(x-3)^2=6+9开方得：x-3

解方程6x+3x=90+4x9x=90+4x9x-4x=905x=90x=189x-4x=90~5x=90x=186x+3x=90+4x移项得6x﹢3x-4x=90合并得5x=90两边同除以5得x=18

(6/x-2)=(x/x+3)-1解方程两边乘(x+3)(x-2)6x+18=x²-2x-x²-x+66x+18=-3x+69x=-12x=-4/3经检验,x=-4/3是方程的解6/(x-2)=x/(x+3)-1两边同乘

方程x(x-3)=6-2x的解x(x-3)=6-2xx²-3x=6-2xx²-x-6=0(x-3)(x+2)=0x1=3x2=-2

解方程：x(2x+3)=4x+6x(2x+3)-(4x+6)=0x(2x+3)-2(2x+3)=0(2x+3)(x-2)=0x=-3/2,x=2

解方程：“x-2x-3=4+6x"－1-1如图

解方程3x-2=x+1+6x原方程可化为：3x-2=7x+1移项得：－4x=3解得x＝－4分之33x-2=x+1+6x移项：3x-x-6x=1+2-4x=3x=-3/43x-2=x+1+6x两边+23x=7x+3两边-3x4x+3=04x=

解方程-x+3x-6x=4-x+3x-6x=4（-1+3-6）x=4-4x=4x=-1-x+3x-6x=4-4x=4x=-1-x+3x-6x=42x-6x=4-4x=4x=-1-4X=4X=-1

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+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7)我给个思路吧（X+2-1/X+2)-(X+3-1/X+3)=（X+6-1/X+6)-(X+7-1/X+7)1-1/(X+2)-1+1/(X+3)=1-1/(

解方程：x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6通分化简得到(x+1)(x+2)=(x+5)(x+6)3x+2=11x+308x=-28x=-7/2解x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6同时乘

解方程：（x+1)/(x+2)+（x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6),为什么必须使方程两边分母常数差相等?我的解法：原方程=（x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)

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+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)=(