Răspuns :
a=baieti
b=fete
a+b=23
2(a+4)=b => b=2a+8
a+2a+8=23 => 3a=15 => a=5 baieti
b=2*5+8 => a=18 fete
b=fete
a+b=23
2(a+4)=b => b=2a+8
a+2a+8=23 => 3a=15 => a=5 baieti
b=2*5+8 => a=18 fete