There are a few ways to get -15 to equal -3 one is put +12
-15+12=-3
Or putting /5
-15/5=-3
(If i am doing this wrong please explain the question a little more.
Separate the shape in to separate rectangles
Then Separately find the areas of the rectangles
Answer will be the sum of all areas
Which = d) 109
Because we don't have any set numbers for x or y, I believe that the solution set for both equations are infinite.