Respostas

2014-03-20T00:23:21-03:00
4x - 3 = 33
4x = 33 + 3
4x = 36
x = 36 / 4 
x = 9
2014-03-20T00:30:25-03:00
Olá

 Quádruplo = 4 x o número
   4. x -3=33
    4x=36
      x= \frac{36}{4}
      x=9
1 5 1