Răspuns :
2x-3y=3 =>2x=3+3y /•5
5x+2y=17 /•2
10x=15+15y
10x+4y=34 si inlocuim
15+15y+4y=34
19y=34-15
19y=19 => y=1 => 2x=3+3
2x=6 => x=3
5x+2y=17 /•2
10x=15+15y
10x+4y=34 si inlocuim
15+15y+4y=34
19y=34-15
19y=19 => y=1 => 2x=3+3
2x=6 => x=3