(1-12.5%)X=1300-X+50 怎么解,急

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 03:56:28

(1-12.5%)X=1300-X+50 怎么解,急
(1-12.5%)X=1300-X+50 怎么解,急

(1-12.5%)X=1300-X+50 怎么解,急
(1-12.5%)X=1300-X+50
0.875x=1300-x+50
1.875x=1350
x=720

x-0.125x+x=1350
1.875x=1350
x=720

(1-12.5%)X=1300-X+50
87.5%X=1350-X
87.5%X+X=1350
(87.5%+1)X=1350
1.875X=1350
X=720

0.875X=1350-X
1.875X=1350
X=720

(1-12.5%)x=1300-X+50
0.875x=1300-x+50
1.875x=1350
x=720