Answer:
x=12
Step-by-step explanation:
(Refer to image)
You want to isolate the x, so you want to get everything away from it that you can till it's alone.
First, you subtract 3 to cancel it out (on both sides)
Then, you multiply 3, since you're dividing it. You want to do the opposite to cancel something out.
If you need clarification or can't read my handwriting, just ask!
