問題詳情：
4－x＝7x＋6
【回答】
4－x＝7x + 6
－x－7x =6－4···················································································· 1分
－8x=2··························································································· 2分
x=
······················································································· 3分
知識點：解一元一次方程（一）合併同類項與移項
題型：計算題
