x/15+10=x/18-4 两边同乘90
6x+900=5x-360
6x-5x=-900-360
x=-1260
猜你喜欢
- 1在三角形ABC中,角C=90° 如果AC=5,BC=12,则AB= ,如果AB=13,BC=12,则AC=
- 2我国汉字的多音字大概有多少字?
- 3with nothing left to burn,the fire became weak and finally died out
- 4She works in a hospital 改成现在进行时
- 5He was not willing to give up smoking at first,but she ( )persuade him later.
- 6was+动词过去式是什么语法
- 7描写人看书入迷的好词好句
- 8what ___your English name and Chinese name?用are还是is啊?
- 9英语翻译
- 10decimal