Respuesta :

E4L

Answer:

x = 5

Step-by-step explanation:

1x + 20/2 = 3x

subtract 1x

1x -1x + 20/2 = 3x -1x =

20/2 = 2x

Identify

20/2 = 20 divided by 2 = 10

10 = 2x

divide by 2

10/2 = 2x/2

5 = x