Răspuns :
A+B=126
A=6B INLOCUIM IN A+B=126
6B+B=126
7B=126
B=126/7
B=18
A+18=126
A=126-18
A=108
A=6B INLOCUIM IN A+B=126
6B+B=126
7B=126
B=126/7
B=18
A+18=126
A=126-18
A=108