Respuesta :

ANSWER: 3

collect like terms
4k-9k
= -5k

subtract
-9-6
= -15

divide -5 on both sides
-5/-5 -15/-5

k=3

Answer:

3

Step-by-step explanation:

4k+6=-9+9k

4k-9k+6=-9

-5k+6=-9

-5k=-9-6

-5k=-15

5k=15

k=15/5

k=3