What is x when x-0.5 percent equals 500?

x - 0.5% = 500

x - .005 = 500

x - .005 + .005 = 500 + .005

x = 500.005

Check:

x = 500.005

500.005 - 0.5% = 500

500.005 - .005 = 500

500 = 500

So x - 0.5% = 500 when x is .005.