Răspuns :
nr1 = 4x + 7
nr2 = x
nr2 + nr1 = 97
5x = 90
=> x = 18
nr2 = 18
nr1 = 18 x 4 + 7
nr1 =79
Verificare : 18 + 79 = 97
nr2 = x
nr2 + nr1 = 97
5x = 90
=> x = 18
nr2 = 18
nr1 = 18 x 4 + 7
nr1 =79
Verificare : 18 + 79 = 97