怎么解5.1X-2(X+3)=12.6
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 02:25:25
![怎么解5.1X-2(X+3)=12.6](/uploads/image/z/177395-59-5.jpg?t=%E6%80%8E%E4%B9%88%E8%A7%A35.1X-2%EF%BC%88X%2B3%29%3D12.6)
怎么解5.1X-2(X+3)=12.6
怎么解5.1X-2(X+3)=12.6
怎么解5.1X-2(X+3)=12.6
5.1X-2(X+3)=12.6
5.1x-2x-6=12.6
5.1x-2x=12.6+6
3.1x=18.6
x=6
5.1X-2(X+3)=12.6
3.1x=18.6
x=6
5.1X-2(X+3)=12.6,去括号
5.1X-2X-6=12.6,移项
5.1X-2X=12.6+6,合并
3.1X=18.6,系数化1
X=18.6÷3.1
X=6
5.1x-2x-6=12.6
3.1x=18.6
x=6
5.1X-2(X+3)=12.6
5.1X-2X-6=12.6
3.1X=12.6+6
X=6
这也太小儿科了吧
5.1x-2x-6=12.6
3.1x=18.6
x=6