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
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