Respuesta :
nine more then 12 times a number equals 1...
12 times a number....12x
9 more then 12 times a number...12x + 9
equals 1...= 1
12x + 9 = 1 <===
12 times a number....12x
9 more then 12 times a number...12x + 9
equals 1...= 1
12x + 9 = 1 <===