Respuesta :

Answer:

x= -3

Step-by-step explanation:

20=14-2x

-14 -14

6 = -2x

÷-2 ÷-2

-3 =x

X=-3

Step-by-step explanation:

14-2x=20

-2x=20-14

-2x=6

x=6÷(-2)

x=-3