Respuesta :

Answer:

w=-4

Step-by-step explanation:

w-7w-9=15

-6w-9=15

-6w-9+9=15+9

-6w=24

-6w/-6=24/-6

w=-4

Answer: 149

Step-by-step explanation because 11 times 15 equals 165 and you minus 9 then minus 7 which is 16 so you do 165 minus 16 which equals 149