(1-40%)x+30=75%x
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 07:38:48
![(1-40%)x+30=75%x](/uploads/image/z/8825283-27-3.jpg?t=%EF%BC%881-40%25%EF%BC%89x%2B30%3D75%25x)
x){P@
mc[sS
"}v6x虁Ma"`N~qAb(0` &RE] cJ/
(1-40%)x+30=75%x
(1-40%)x+30=75%x
(1-40%)x+30=75%x
0.6x+30=0.75x
0.15x=30
x=200
(1-40%)x+30=75%x
0.6x+30=0.75x
30=0.75x-0.6x
30=0.15x
x=200