Respuesta :

5x-9=18
Add 9 to both sides
5x-9+9= 18+9
5x= 27
Now divide both sides by 5 to solve for x
5x/5= 27 /5

x=27/5 or 5.4
xenia168

Answer:

3 units

Step-by-step explanation:

DC = [tex]\frac{1}{3}[/tex] EC

5x - 9 = 6 ⇒ x = 3 units