Respuesta :

The answer is 12x because just add the three numbers and plug in x at the end of the answer
suspho

Question

3x + 4x + 5x =


Answer:


Step-by-step explanation:

sum the numbers and multiply for x,

3x + 4x + 5x =

12x

or

3x + 4x + 5x =

(3 + 4 + 5)x =

12x