So its about triangles and dilation and i have no idea what im doing

Solve for x i'll try to attach the files bc it's not letting me for some reason

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)