10x+(11-x)=((11-x)×10+x)+63
9x-63=9(11-x)
x-7=11-x
x=9
(11-x)当做整体再移项可以再详细一点吧.............................谢啦...................................10x+(11-x)=((11-x)×10+x)+63
10x-x-63=10(11-x)-(11-x)
9x-63=9(11-x)
9(x-7)=9(11-x)
x-7=11-x
2x=18
x=9
不明白再问谢谢..........................学姐.........................................................不用谢
赶快按下采纳按钮吧