什么英雄好打阿卡丽:解方程!!
来源:百度文库 编辑:高校问答 时间:2024/05/10 08:23:21
80(X-6)=50(X+3)
80x-480=50x+150
30x=630
x=21
80X-480=50X+150
30X-480=150
30X=630
x=21
80(x-6)=50(x+3)
80x-480=50x+150
移项得
30x=630
x=21
80(X-6)=50(X+3)
解:80x-480=50x+150
80x-50x=630
30x=630
x=21
80(x-6)=50(x+3)
80x-480=50x+150
80x-50x=150+480
30x=630
x=21