您好:
2x-1=0
2x=1
x=0.5
3x+2/4-9x-4/12=3x-1/6+2 两边乘12
3(3x+2)-(9x-4)=2(3x-1)+24
9x+6-9x+4=6x-2+24
10=6x+22
6x=10-22
6x=-12
x=-2
3/4{4/3(5/x-1)-2/1-x=1
5/(x-1)+2/(x-1)=1
3/(x-1)=1
x-1=3
x=4
不明白,可以追问
如有帮助,记得采纳,谢谢
祝学习进步!
2x-1=0
2x=1
x=0.5
(3x+2)/4-(9x-4)/12=(3x-1)/6+2
3(3x+2)-(9x-4)=2(3x-1)+24
9x+6-9x+4=6x-2+24
6x=-12
x=-2
3/4{4/3(5/x-1)-2/1}-x=1
(5/x-1)-3/2-x=1
5/x-1=x+3/5
3(x-1)=15x+9
3x-1=15x+9
12x=-10
x=-6/5
2x-1=0
2x=1
x=0.5
3x+2/4-9x-4/12=3x-1/6+2 两边乘12
3(3x+2)-(9x-4)=2(3x-1)+24
9x+6-9x+4=6x-2+24
10=6x+22
6x=10-22
6x=-12
x=-2
3/4{4/3(5/x-1)-2/1-x=1
5/(x-1)+2/(x-1)=1
3/(x-1)=1
x-1=3
x=4