Please help me with this!

Step-by-step explanation:

x>−9

x<−15

x<-15 or x>-9

Step-by-step explanation:

for the right one multiply both sides by three      x-3>-12

move the three to the other side                          x>-12+3

simplify                                                                    x>-9

Just so you know there is a great app called photo math that lets you take a picture of the math problem and solves it for you with steps. I hope this helped!