Respuesta :
Answer:
[tex]\huge\boxed{\sf x = 8}[/tex]
Step-by-step explanation:
[tex]\sf 3x+12 = 36\\\\Subtracting \ 12 \ to \ both \ sides\\\\3x=36-12\\\\3x = 24\\\\Dividing \ both \ sides \ by \ 3\\\\x = 24/3\\\\x = 8\\\\\rule[225]{225}{2}[/tex]
Hope this helped!