Answer:
3-9=6-1=5ad 19 and you got f =519
Step-by-step explanation:
i think. when the 3 has thos things on it that means you have to do that first and you are figiring owt what f = that is y the f is ther and sins ther is no ecwajen arond the 1 and 9 i think it means ad that
This is example of what you can do 13-5×=3. -5×=3-13. -5×÷-5=-10÷-5=2. you have to group like times to find ×, then divide both sides with the number that has variable at the side
I believe the answer is they are drawing an Octagon because a polygon has 5 sides add that by three it's an Octagon
I also think the answer is "3".