x-1.8=1/2x+0.

来源:学生作业帮助网 编辑:作业帮 时间:2024/03/29 01:39:53

x-1.8=1/2x+0.
x-1.8=1/2x+0.

x-1.8=1/2x+0.
x-1.8=1/2x+0.3
x-1.8=0.5x+0.3
x-0.5x=1.8+0.3
0.5x=2.1
x=4.2