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Help me with number 9 which is DEF one, please

Help me with number 9 which is DEF one, please
asked 44.2k views
0 votes
Help me with number 9 which is DEF one, please

Help me with number 9 which is DEF one, please-example-1
asked
User Christian Alis
by
8.1k points

1 Answer

7 votes

Answer:

x = 9

DE = 13

EF = 36

DF = 28

Explanation:

DF = EF

7x - 35 = 4x - 8

3x = 27

x = 9

DE = x + 4 = 9 + 4 = 13

EF = 4x - 8 = 4(9) - 8 = 36

DF = 7x - 35 = 7(9) - 35 = 28

answered
User YoshiJaeger
by
8.4k points
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