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Korolek [52]
3 years ago
7

Can you please put the answer in spaces not all together

Mathematics
1 answer:
4vir4ik [10]3 years ago
7 0
I dont get it im confusid here
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In the accompanying diagram of parallelogram ABCD,diagonals AC and DB intersect at E, AE = 3x - 4, andEC = x + 12.What is the va
skelet666 [1.2K]

x = 8

Explanation:

AE = 3x - 4

EC = x + 12

SInce diagonals AC and DB intersect at E

it means the lines which meet at the intersection E are equal. A and C meet at E which gives AE and EC

AE = EC

3x - 4 = x + 12

collect like terms:

3x - x = 12 + 4

2x = 16

divide both sides by 2:

2x/2 = 16/2

x = 8

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Step-by-step explanation:

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Evaluate the expression when a = 3.<br><br> 2a =
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