Răspuns :
a : b = 3 r 2
a - b = 14
a = 3 * b + 2
3b + 2 - b = 14
2b + 2 = 14
2b = 14 - 2
2b = 12
b = 6
a - 6 = 14
a = 14 + 6
a = 20
proba: 20 : 6 = 3 r 2
a - b = 14
a = 3 * b + 2
3b + 2 - b = 14
2b + 2 = 14
2b = 14 - 2
2b = 12
b = 6
a - 6 = 14
a = 14 + 6
a = 20
proba: 20 : 6 = 3 r 2