1.8(0.5x-2)=0.5x

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/17 13:28:30
1.8(0.5x-2)=0.5x1.8(0.5x-2)=0.5x1.8(0.5x-2)=0.5x0.9x-3.6=0.5x0.9x-0.5x=3.60.4x=3.6x=3.6÷0.4x=9

1.8(0.5x-2)=0.5x
1.8(0.5x-2)=0.5x

1.8(0.5x-2)=0.5x
0.9x-3.6=0.5x
0.9x-0.5x=3.6
0.4x=3.6
x=3.6÷0.4
x=9