Respuesta :

Answer:

x= -3

Step-by-step explanation:

Collect the like terms → +2x-4x  → -6-2x=0

Move the constant to the right-hand side and change its sign

-6-2x=0 →  -2x=6

Divide both sides of the equation by -2 →  x=-3

And, that's how you get your answer of x=-3

I hope this helped. If I'm wrong please tell me. Have a nice day! (: