Respuesta :

subtract 4.5 from each side
1.5k=13.5-3k
add 3k
4.5k=13.5
divide both sides by 4.5
k=3

Answer: I think its 3

Step-by-step explanation:

4.5+4.5=9 and 3*3=9 so 18-9=9 so K=3