(2400-X)15=8000-X 快

来源：学生作业帮助网编辑：六六作业网时间：2024/05/18 09:35:35

(2400-X)15=8000-X快(2400-X)15=8000-X快(2400-X)15=8000-X快(2400-X)15=8000-X2400×15-15X=8000-X14X=36000-8

(2400-X)15=8000-X 快
(2400-X)15=8000-X
快

(2400-X)15=8000-X 快
(2400-X)15=8000-X
2400×15-15X=8000-X
14X=36000-8000
14X=28000
X=2000