Ex 17 si 18!
Urgent! Dau coroana!
![Ex 17 Si 18 Urgent Dau Coroana class=](https://ro-static.z-dn.net/files/da5/015aa62f52d4a56c4b353f214c3c4fe1.png)
Explicație pas cu pas:
17. a) 2x+1>4x-3
2x>4x-4-1
2x>4x-5
2x-4x>-5
- 2x>-5 |(-1)
2x>5
x=2/5