45x+60=100-35x
80x=40
x=0.5
猜你喜欢
- 1物理课上教师做完托里拆利实验后,有四位同学提出了以下说法,你认为正确的有（）
- 2what do you want your english teacher do to improve your english
- 3次氯酸和硅酸谁的酸性弱?
- 4He did not know how to fight ,but he knocked the boxer 【 】填介词或副词
- 5《出师表》中揭示汉代兴衰的原因的句子是?注意,只有两个空!
- 6There are (two glasses )of juice on the table.如何对括号部分提问
- 7已知整式0.25乘以X的b次方乘以Y的c次方,与--0.125乘以X的m+3次方乘以Y的2n-2次方,合并同类项的结果为0.625乘以a乘以X的2n次方乘以Y的n次方,试求bc--(m+n)/a的值
- 8高一物理关于位移时间图像疑惑
- 9函数积的求导法则的推倒?
- 10--what are U going to do this morning --I'm thinking of( )to visit Tom.Agoing Bmy going