Answer:
all done bud, I'm just here for the extra points :D
Your answer would be x=-10.5
First distribute -2/3 to 3x and -9
-2x+6=15
Then subtract 6 from both sides
-2x=9
Divide both sides by -2
x=-4.5
The answer is x = 4 as it satisfies both inequalities :)
