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IF DF = 114, DE = 7x + 9, and EF = 9x + 9, find EF.

IF DF = 114, DE = 7x + 9, and EF = 9x + 9, find EF.
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4 votes
IF DF = 114, DE = 7x + 9, and EF = 9x + 9, find EF.

IF DF = 114, DE = 7x + 9, and EF = 9x + 9, find EF.-example-1
asked
User Jason Young
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7.3k points

1 Answer

4 votes

Answer:

EF = 63

Step-by-step explanation:

DE + EF = DF

7x + 9 + 9x + 9 = 114

16x + 18 = 114

16x = 96

x = 6

EF = 9(6) + 9

EF = 54 + 9

EF = 63

answered
User Savasia
by
7.6k points
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