3x+18-101=x+101
2x=202-18
x=101-9=92
猜你喜欢
- 1中译英（牛津版）
- 2These boxes are brown.变单数
- 3It was not such a good dinner _________ she had promised us. A. like B. that C. which D. as
- 4并非所有人都知道他们想要做什么英语翻译
- 5已知f(x)=(k-2)x^2+(k-1)x+3是偶函数,求f(x)的递减区间
- 6运用戴维南定理时受控源怎么处理
- 7太阳系八大行星 火星的自转特点
- 8已知m-n=2+√3,n-p=2-√3,求m^2+n^2+q^2-mn-nq-mq的值
- 9what good is that?
- 10采用分压法时变阻器电阻远远小于用电器电阻的标准