Respuesta :

Answer:

x = 7.5    Hope This Helps :)

Step-by-step explanation:

3(x + 4.5) = 36

3x + 13.5 = 36

3x + 13.5 = 36

     - 13.5  - 13.5

3x = 22.5

3x/3 = 22.5/3

x = 7.5