Respuesta :

pcai26

Answer:

x=12

Step-by-step explanation:

3x+4x-4x=36

3x=36

x=12

Answer:

12

Step-by-step explanation:

3x+4x-4x=36

the 4xs equal eachother out.

3x=36

3x/3=36/3

x=12

Hope this helps!