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pickupchik [31]
3 years ago
7

Please help! Find the value of x for which ABCD must be a parallelogram.

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
7 0

Answer:

5

Step-by-step explanation:

cause

angle c and angle a are alternate angle and alternate angle are always equal so 5X-8=2x+7

5x-2x=7+8

3x=15

or x=5

igor_vitrenko [27]3 years ago
5 0

Answer:

x=5

Step-by-step explanation:

5x-8=2x+7

5x-2x=7+8

3x=15

X=15/3

x=5

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