6x-4分之3=3x

若原题是：5/2x+3=1/3+7x移项得5/2x-7x=1/3-3合并同类项得-9/2X=-8/3两边同乘以-2/9,得x=16/27.若原题是：(5x+3)/2=(1+7x)/3去分母得3(5x+

X+1分之X+2+X+7分之X+8=X+5分之X+6+X+3分之X+4等式两边各2个x常数和都为10所以都约去得1／x＋7／x＝5／x＋3／x为恒等式所以x为不等于零的任意实数再问：������ڶ�Щ

2/(x-2)+6x/(x²-4)=3/(x+2)乘以(x²-4)得2(x+2)+6x=3(x-2)2x+4+6x=3x-68x-3x=-6-45x=-10x=-2经检验,当x=-

(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(

x+1分之x+2减去x+3分之x+4=x+5分之x+6减去X+7分之x+8方程两边分别通分,得[(x+2)(x+3)-(x+1)(x+4)]/[(x+1)(x+3)]=[(x+6)(x+7)-(x+8

4x(/x-2)-1=3/(2-x)4x(/x-2)-3/(2-x)=14x/(x-2)+3/(x-2)=1(4x+3)/(x-2)=14x+3=x-23x=-5x=-5/3,经检验不是增根x/(x-

希望能帮上忙,第一步x-7/x-9+x-3/x-5=x-4/x-6+x-6/x-8第二步(x-9)+2/x-9+(x-5)+2/x-5=(x-6)+2/x-6+(x-8)+2/x-8第三步1+2/x-

我来再问：再答：再答：就这样再答：谢谢采纳

解方程（1）x+1分之6=x(X+1)分之x+56x=(x+5)x=1方程左边=3方程右边=（1+5)/1*(1+1)=3所以x=1是方程的解x-4分之3-x+4-x分之1=13-x-1=x-4x=3

2x/3=x²/12+3/x²+4/xx²/12+3/x²=2x/3-4/xx²/4+9/x²=2x-12/x(x/2-3/x)²

x-2分之5x+4=3x-6分之4x-8之后再减一两边乘3(x-2)3(5x+4)=4x-8-3(x-2)15x+12=4x-8-3x+615x+12=x-214x=-14x=-1

(x+5)/(x+4)+(x+6)/(x+5)=(x+4)/(x+3)+(x+7)/(x+6)1+1/(x+4)+1+1/(x+5)=1+1/(x+3)+1+1/(x+6)1/(x+4)+1/(x+5

等号前后同时分别计算减法得：(x+1)(x+3)分之2=(x+5)(x+7)分之2所以：(x+1)(x+3)=(x+5)(x+7)x^2+4x+3=x^2+12x+35x=-4

(x+6)/(x+1)-(3x²+10x+4)/(x²+3x+2)+(2x+1)/(x+2)=0(x+6)/(x+1)-(3x²+10x+4)/(x+1)(x+2)+(2

4分之5X-X+3=3分之2X-7-6分之X-25X/4-X+3=(2X–7)/3-(X-2)/615X-12X+36=4(2X–7)-2(X-2)3X+36=6X–243x=60X=20

(x+3)/7-(x+2)/5=(x+6)/6-(x+4)/4(1-2x)/35=-2x/2424-48x=-70x22x=-24x=-12/11

再问：求求大神能把方程左边写一下吗，求再答：

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

X=4原式=(X-1)/(X-2)-(X-2)/(X-3)=(X-4)/(X-5)-(X-5)/(X-6)左边通分=[X^2-4X+3-X^2+4X-4]/[(X-2)(X-3)]=-1/[(X-2)

解方程两边同时乘以12得：9x+2x=18011x=180x=180/11