Răspuns :
a + b = 26
a : b = 3 rest 2
a = 3b + 2
3b + 2 + b = 26
4b = 26 - 2
b = 24 : 4
b = 6
a = 26 - 6
a = 20
a : b = 3 rest 2
a = 3b + 2
3b + 2 + b = 26
4b = 26 - 2
b = 24 : 4
b = 6
a = 26 - 6
a = 20