Somebody please help me

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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?

How do you convert 1.27 to a percentage