Answer:
(C) - 69 EDG
Explanation:
DE = EB
which is:
2x+9=3x-21
rearrange:
3x-2x=9+21
This would equal:
x=30
Then we fill x in as 30 for DE and EB
DE=2(30)+9=69 Units
EB=3x-21=3(30)-21=69 Units
69 or (C) will be the answer.
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