explain valuation multiples in finance with examples for the following -

1 - Enterprise Value - nominal value = P/E multiple and EBITDA - Current value

2 - Equity Value - nominal value = Enterprise Value - current value and Debt

3 - Enterprise Value - discounted Value = P/E multiple and EBITDA- current Value and Discounting rate (using WACC)

4 - Equity Value - discounted = Equity Value - current value and Discounting rate (using cost of equity)

5 - Valuation of the Equity = Equity Value - discounted and Weight to specific year