4－x＝7x＋6           

问题详情：

4－x＝7x＋6           

【回答】

4－x＝7x + 6                    

－x－7x =6－4···················································································· 1分

      －8x=2··························································································· 2分

        x= ······················································································· 3分

知识点：解一元一次方程（一）合并同类项与移项

题型：计算题