Contact us
Choose a category below so we can get back to you as quickly as possible.
1.若x-5=0,xは解 2.若x-5不為0,則兩邊同除以x-5,得: 3(x-5)=-2、x=13/3
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.