Respuesta :

Answer:

x=9

Step-by-step explanation:

Subtract 10 to both sides leaving 2x=18 and divide 2 to get 9.

16755

Answer:

Step-by-step explanation:

x=9

2x - 18  =   2 • (x - 9)

2   =  0

x-9 = 0

 x = 9