Question

In a parallelogram ABCD, AB = (x + 7) cm and CD = (2x - 5) cm. Find the length of AB.

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Answer 1

Answer:

Your answer is 12

Step-by-step explanation:

(× + 7) = (2× - 5)

opening the brackets..

× + 7 = 2× - 5

by transposing...

7 + 5 = 2× - ×

12 = x

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Answer 2

Step-by-step explanation:

AB=CD (sides of parallelogram )

x+7=2x-5

x=12

AB= 19

CD=21