解方程:300x+150(50-x)+200(42-x)+150(x-2)=16000
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![解方程:300x+150(50-x)+200(42-x)+150(x-2)=16000](/uploads/image/z/2553025-49-5.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A300x%2B150%EF%BC%8850-x%EF%BC%89%2B200%EF%BC%8842-x%EF%BC%89%2B150%EF%BC%88x-2%EF%BC%89%3D16000)
解方程:300x+150(50-x)+200(42-x)+150(x-2)=16000
解方程:300x+150(50-x)+200(42-x)+150(x-2)=16000
解方程:300x+150(50-x)+200(42-x)+150(x-2)=16000
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!
300x+150(50-x)+200(42-x)+150(x-2)=16000
解;300x+7500-150x+8400-200x+150x-300=16000
100x+15600=16000
...
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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
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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