Respuesta :

Ben

6x + 9

Combine the like terms. 2x + 3x + x = 6x, and 9 just stays the same. This is as simple as the equation can get without knowing what 2x + 9 + 3x + x equals.

kayla2937

If 2x+9+3x+x= then 6x+9 will be x= 15