Respuesta :

xXUnityWolfiXx

Answer:

x=27

Step-by-step explanation:

Set up the equation:

2x - 9 + 135 = 180

Subtract 135 from both sides:

2x - 9 = 45

Add 9 to both sides:

2x = 54

Divide 54 by 2:

x = 27