HELP I WILL FAIL PLEASE PLAESEEAEAEEDA

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?

What can you determine about the solutions of this system

The square root of 9x plus 7 plus the square rot of 2x equall to 7