解方程:300x+150(50-x)+200(42-x)+150(x-2)=16000

问题描述:

解方程:300x+150(50-x)+200(42-x)+150(x-2)=16000

300x+7500-150x+8400-200x+150x-300=16000
100x+15600=16000
100x=400
x=4
题目少了1个0你可以直接追问呀

300x+150(50-x)+200(42-x)+150(x-2)=16000
解;300x+7500-150x+8400-200x+150x-300=16000
100x+15600=16000
100x=400
x=4
祝学习进步

300x+150(50-x)+200(42-x)+150(x-2)=16000
300x+7500-150x+8400-200x+150x-300=16000
100x+15600=16000
100x=400
x=4
我刚才就给你改过来了
你却采纳了别人!