3/4+15*(5-3x)=2/5
15*(5-3x)=2/5-3/4=-7/20
5-3x=-7/300
3x=5+7/300=5.023
x=1.674
猜你喜欢
- 1Please fill in this form ,____(give) your name,address,etc.
- 2I know at last most.The person Who loue is you
- 3有一把小刀售价3元,如果小明买了这把刀,小明和小强的钱数比是2:3 ,如果小强买了这把刀,小明和小
- 4已知向量a=(-3,2)b=(2,1)c=(3,-1)(2)若(a-tb)⊥c求实数t的值
- 5a number of tourists__yangzhou many times because it is beautiful
- 6he did so with the blessing of the police chief's office.
- 7小明和小化一起测量身高,得到两个数据:1.15米和1米19厘米.小明要比小化稍微高一点,小化的身高()米.
- 8用所有字母组合单词:
- 9形容离别场景的成语
- 10游褒禅山记》的问题