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Juliette [100K]
3 years ago
9

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 intege

r. Please if you could(or not) type the answer step by step.

Mathematics
1 answer:
Korolek [52]3 years ago
8 0

Answer:

EF = 10

Step-by-step explanation:

DE + EF = DF

5x + x + 8 = 20

6x = 20 - 8

6x = 12

x = 12/6

x = 2

EF = x + 8 = 2 + 8 = 10

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