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Help please, this is a review question but I can't figure it out

Help please, this is a review question but I can't figure it out-example-1

1 Answer

6 votes

Answer:

x=4 and AB is 19

Explanation:

since the opposite sides of a parallelogram are equal,

18x=17x+4

x=4

AB=4x+3=4(4)+3=19

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