Răspuns :
A=primul numar
B=al doilea numar
2A+3B=23
B-A=1
B=A+1
2A+3(A+1)=23
2A+3A+3=23
5A=20
A=4
B=A+1=5
B=al doilea numar
2A+3B=23
B-A=1
B=A+1
2A+3(A+1)=23
2A+3A+3=23
5A=20
A=4
B=A+1=5
2a+3b=23; b-a=1; b=a+1; 2a+3 (a+1)=23; 2a+3a+3=23; 5a=2a; a=4; b=a+1=5.