If Sophia's friend has saved $118 but is not sure how many songs she can afford if she buys the membership and some songs. Use the expression in question 2 to write an equation that can be used to determine how many songs Sophia's friend can buy.

(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)