Cum se rezolva?????Am nevoie!!!!!
![Cum Se RezolvaAm Nevoie class=](https://ro-static.z-dn.net/files/d06/90b01af47fb2b630edc3c106005f4011.jpg)
ab+2ab-34=11
ab+2ab=45
3ab=45
ab=15
verificare:
15+2×15-34=11
15+30-34=11
45-34=11