Respuesta :

Answer:

x = 7

Step-by-step explanation:

x + 2x + 5 = x + 19

3x + 5 = x + 19

-x           -x

2x + 5 = 19

     - 5  = 19 - 5

2x = 14

2x / 2 = 14 / 2

x = 7

Answer:

so before a variable it always has a number, so x equals 1

Step-by-step explanation: