Respuesta :

khanghuytri

Answer:

6x - 18

Step-by-step explanation:

Haha i finished first

altavistard

Answer:

Step-by-step explanation:

Combine like terms.  2x and 4x are like terms, and their sum is 6x.

-6 and -12 are like terms also; their sum is -18.

Thus, the sum of (2x-6)+(4x-12)

in simplest terms is  6x - 18.