x=7/8-3/4x=7/8-6/8x=1/8望采纳谢谢!
3/4+×=7/8解: ×=7/8-3/4 ×=1/8
解方程:3/4+x=7/8移项,得:x=7/8-3/4合并同类项,得:x=1/8
X=7/8-3/4X=1/8采纳