7分之4x=2分之1x加35怎么解要过程

4/15×(1/2+0.8÷8/7)=4/15×(1/2+0.7)=4/15×6/5=24/75再答：即8/25

x/3+1=2x/7-32x/3+1-5x/6-1=13x/4-1=5x/6+13x/0.2-1=2x/0.5-x/0.1+4.5+37x+21=6x-634x+6-5x-6=69x-12=10x+1

(x^2-3x+1)/(x^2-4)=30/(x+2)(x^2-3x+1)/(x-2)=30x^2-3x+1=30x-60x^2-33x+61=0x=(33±√1333)/2

原方程为:x+x\2+1-x+x\4+3=x+x\6+5-x+x\8+7整理得：3x\4+4=7x\24+12两边同时乘以24,得18x+96=3x+288,x=12.8

2x加8分之3等于24分之33,2x=33/24-3/82x=1x=1/25x减（4分之1加5分之2）等于20分之75x-13/20=7/205x=7/20+13/205x=1x=1/5再问：那这道异

正在写再答： 再答： 再答：好了再答：采纳么

答：1）x/(x^2-x)+2=2x/(x+1)1/(x-1)=2x/(x+1)-2=-2/(x+1)-2x+2=x+13x=1x=1/3经检验,x=1/3是原分式方程的解2）x/(x+1)-1=3/

2/3x+1/4x=3.38/12x+3/12x=3.311/12x=3.3x=3.3x12/11x=0.3x12x=3.6

7分之1加2分之1X=3分之21/2X=2/3-1/7=14/21-3/21=11/21X=22/21

x/12-(2x-1)/20=3x+4/8-110x-12x+6=45x+60-12047x=66x=66/47

1,4/(y²-1)+(y-3)/(1-y)+1=04-(y-3)(y+1)+(y²-1)=0y=-32,1/(x-3)-1/(x-4)=1/(x-6)-1/(x-7)1/(x-3

2/(x+3)(x-3）+(x-2)/x(x-3)=1/x(x+3)两边乘x(x+3)(x-3)2x+x^2+x-6=x-3x^2+2x-3=0(x+3)(x-1)=0x+3在分母,不等于0所以x=1

(1)、4/5x+2/5=3/54/5x=3/5-2/54/5x=1/5x=1/5÷4/5x=1/4(2)、1/5+8x=1/28x=1/2-1/58x=3/10x=3/10÷8x=3/80(3)、x

x+2分之2x减2=x-2分之1加4-x分之x+14左右两边同×（x+2）(x-2)(4-x)得：（2x-2）(x-2)(4-x)=(x+2)(4-x)+(x+14)(x+2)(x-2)2(x-2)&

解方程x-2分之1=2-x分之1-x再减3我算出X=2

1、x-x-1分之1=1X(X-1)=X-1(X-1)^2=0X=1,经检验X=1是增根,原方程无解.2、1-x分之1-2=1-x²分之3x-x²(1+X)-2(1-X^2)=3X

可以写清楚点不?1分之x平方是不是1/x^2的意思啊1分之2x二x平方?再问：x平方=x^2再答：嗯，你还是全用汉字和数字再写一遍吧。。。。

x/(x^2-x+1)=7,(x^2-x+1)/x=1/7x+(1/x)-1=1/7x+(1/x)=8/7x^2/(x^4+x^2+1)=1/[(x^4+x^2+1)/x^2]=1/[x^2+(1/x

每个分式减去1(x-4-x+5)/(x-5)+(x-8-x+9)/(x-9)=(x-7-x+8)/(x-8)+(x-5-x+6)/(x-6)1/(x-5)+1/(x-9)=1/(x-8)+1/(x-6

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