Sadie plans to install new bookcases along a wall in her room her wall measures 12 2/5 feet long and each bookcase measures 3 3/4 feet in length how many bookcases can Sadie fit along her wall.​ Asap

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)