If DE = 5x, EF = x + 8, and DF = 20, what is EF? Simplify your answer and write it as a proper fraction, mixed number, or integer. Please if you could(or not) type the answer step by step.

If DE 5x EF x 8 and DF 20 what is EF Simplify your answer and write it as a proper fraction mixed number or integer Please if you couldor not type the answer st class=