Respuesta :

The answer is 26.33 repeating 
How you get that answer is
First do N times 3 
so the you have 3n + 5 = 84
minus 5 from both sides and then you get 3n = 79
divid both sides by 3 and then you get n = 26.33 reapting
84/3 = 28 
28-5 =23
Resposta = 23