已知x与y互为相反数,且3〔x-2〕+2y=5,则x=?,y=?如题在线等,急急急!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 14:23:32
![已知x与y互为相反数,且3〔x-2〕+2y=5,则x=?,y=?如题在线等,急急急!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!](/uploads/image/z/11600995-67-5.jpg?t=%E5%B7%B2%E7%9F%A5x%E4%B8%8Ey%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E4%B8%943%E3%80%94x%EF%BC%8D2%E3%80%95%EF%BC%8B2y%EF%BC%9D5%2C%E5%88%99x%EF%BC%9D%3F%2Cy%EF%BC%9D%3F%E5%A6%82%E9%A2%98%E5%9C%A8%E7%BA%BF%E7%AD%89%EF%BC%8C%E6%80%A5%E6%80%A5%E6%80%A5%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81)
已知x与y互为相反数,且3〔x-2〕+2y=5,则x=?,y=?如题在线等,急急急!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
已知x与y互为相反数,且3〔x-2〕+2y=5,则x=?,y=?
如题
在线等,急急急!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
已知x与y互为相反数,且3〔x-2〕+2y=5,则x=?,y=?如题在线等,急急急!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
y=-x
3〔x-2〕+2y=5
就等于
3〔x-2〕-2x=5
3x-2x=11
x=11
所以y=-11