搜搜考试网(2X-1)÷4=2.3解方程
来源：学生作业帮助网 编辑：作业帮 时间：2024/06/06 13:31:51
4/(x-2)+(x-1)/[(x-2)(x-3)]-2/(x-3)=0[4(x-3)+(x-1)-2(x-2)]/[(x-2)(x-3)]=03(x-3)/[(x-2)(x-3)]=0不知道解了~~
3x+2=4x-14x-3x=2+1x=3再问：л�ˣ����Ѿ�д����再答：лл
x(2x-4)+3x(x-1)=5x(x-3)+82x²-4x+3x²-3x=5x²-15x+88x=8x=1
(x²-x+4)x-(x-1)(x²+2)=x+7x³-x²+4x-x³+x²-2x+2=x+72x+2=x+72x-x=7-2x=5
(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=(x/2)*(2/x(x+2))+(2/(x+2)(x+4))+.+2/(x+8)(x+10)=(x/2)*[1/x
9x^2+6x+1=4(3x+1)^2=43x+1=±23x=-1±2x=（-1±2）/3x=-1或x=-1/3再问：x=-1/3是怎么算的再答：x＝（－1＋2）/3=1/3哈，算错了一个，不好意思啦
1.x/x+1-1=3/（x+1)(x-2)两边乘以(x+1)(x-2)得x(x-2)-(x+1)(x-2)=3x²-2x-x²+x+2=3-x=1x=-1检验：x=-1是增根2.
题目应该是（x-1)(x-2)(x-3)(x-4)=24,不然解不了[(x-1)(x-4)][(x-2)(x-3)]=24[x^2-5x+4][x^2-5x+6]=24设x^2-5x+5=y所以(y-
即5/100x+1/4x=1/2(5/100+1/4)x=1/23/10x=1/2x=1/2÷3/10x=5/3
1-x/0.25-0.5x/2=44(1-x)-0.5x/2=416(1-x)-x=4*416-16x-x=16-17x=0x=0
2x+4x+6x...+100x=1-(x+3x+5x+...+99x)x(2+4+6+...+100)=1-x(1+3+5+...99)x(2+4+6+...+100)+x(1+3+5+...+99
2/x^2+x+3/x^2-x-4/x^2-1=0(2/x^2+3/x^2-4/x^2)+x-x-1=01/x^2-1=01/x^2=1x^2=1x=1或-1
5.5x=7(x+1)÷2两边同时乘以2得11x=7x+711x-7x=74x=7x=4分之7x=1又4分之3很高兴为您解答,【学习宝典】团队为您答题.请点击下面的【选为满意回答】按钮,
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)=(x+5+1)/(x+5)+(
7x－2x＝4.35x＝4.3x＝0.86
5分之4x÷2=15分之4x=2x=2*5/4x=2.5再问：2÷5分之4=（）再答：2÷5分之4=（2又2分之1）
(x-2)/(x+2)=(x+2)/(x-2)+16/(x²-4)方程两边同时乘(x²-4)(x-2)²=(x+2)²+16x²-4x+4=x
4x-1=2-2x4x+2x=2+16x=3x=3÷6x=1/2请采纳
/>4X=1/8*2/34X=1/12X=1/48