请问,这五道关于一元一次方程的题目我做对了吗?(1)9-3Y=5Y+5-5Y+3Y=9-5-2Y=4Y=-2(2) 4X+3(2X-3)=12-(X+4)4X+6X-6=12X-4810X-12X=48+6-2X=54X=-27(3) 5A+(2+4A)=05A+10-20A=05A-20A+10=0-15A=10A=-0.67(用四舍五入法)(4)2(X+8)=3(X-1)2X+
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 20:01:06
![请问,这五道关于一元一次方程的题目我做对了吗?(1)9-3Y=5Y+5-5Y+3Y=9-5-2Y=4Y=-2(2) 4X+3(2X-3)=12-(X+4)4X+6X-6=12X-4810X-12X=48+6-2X=54X=-27(3) 5A+(2+4A)=05A+10-20A=05A-20A+10=0-15A=10A=-0.67(用四舍五入法)(4)2(X+8)=3(X-1)2X+](/uploads/image/z/13139700-60-0.jpg?t=%E8%AF%B7%E9%97%AE%2C%E8%BF%99%E4%BA%94%E9%81%93%E5%85%B3%E4%BA%8E%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E9%A2%98%E7%9B%AE%E6%88%91%E5%81%9A%E5%AF%B9%E4%BA%86%E5%90%97%3F%EF%BC%881%EF%BC%899-3Y%3D5Y%2B5-5Y%2B3Y%3D9-5-2Y%3D4Y%3D-2%282%29+4X%2B3%282X-3%29%3D12-%28X%2B4%294X%2B6X-6%3D12X-4810X-12X%3D48%2B6-2X%3D54X%3D-27%283%29+5A%2B%282%2B4A%29%3D05A%2B10-20A%3D05A-20A%2B10%3D0-15A%3D10A%3D-0.67%28%E7%94%A8%E5%9B%9B%E8%88%8D%E4%BA%94%E5%85%A5%E6%B3%95%29%284%292%28X%2B8%29%3D3%28X-1%292X%2B)
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