Answer:
y < -3
Step-by-step explanation:
What you have to do here is isolate the variable. To make sure it's true remember what you do to one side you must do to the other.
3y < -9
3y ÷ 3 = y
-9 ÷ 3 = -3
So y < -3 is the answer.
Hope that helps and have a great day!
