13.2-X+9X=55.5怎么解

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/08 13:20:17
13.2-X+9X=55.5怎么解13.2-X+9X=55.5怎么解13.2-X+9X=55.5怎么解13.2-X+9X=55.58X=55.5-13.28X=42.3X=5.2875(9-1)X=5

13.2-X+9X=55.5怎么解
13.2-X+9X=55.5怎么解

13.2-X+9X=55.5怎么解
13.2-X+9X=55.5
8X=55.5-13.2
8X=42.3
X=5.2875

(9-1)X=55.5-13.2
8X=42.3
X=42.3/8
X=5.2875