What is the x values such that y equals 15 - 3 x and y equals 0 question

These question are hard can you me with answers

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?

Describe how you can act financially responsible.