3(x+2.1)=12.用正规方程列式,

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/20 05:21:18
3(x+2.1)=12.用正规方程列式,3(x+2.1)=12.用正规方程列式,3(x+2.1)=12.用正规方程列式,3(x+2.1)=12.9x+2.1=12.9/3x=4.3-2.1x=2.2

3(x+2.1)=12.用正规方程列式,
3(x+2.1)=12.
用正规方程列式,

3(x+2.1)=12.用正规方程列式,
3(x+2.1)=12.9
x+2.1=12.9/3
x=4.3-2.1
x=2.2