x-2分之1[x-2分之1(x-2分之1) ]等于2 怎么解

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 23:56:05

x-2分之1[x-2分之1(x-2分之1) ]等于2 怎么解
x-2分之1[x-2分之1(x-2分之1) ]等于2 怎么解

x-2分之1[x-2分之1(x-2分之1) ]等于2 怎么解
2=x-1/2(x-(1/2x-1/4))
2 =x-1/2(x-1/2x+1/4)
2 =x-1/2(1/2x+1/4)
2 =x-(1/4x+1/8)
2 =3/4x-1/8
17/8=3/4x
x=17/6