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For what value of x must ABCD be a parallelogram
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For what value of x must ABCD be a parallelogram

For what value of x must ABCD be a parallelogram-example-1
User Jon Wayne Parrott
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X must equal 4 for that to be a parallelogram 
User Stephan Henningsen
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I hope this helps you




|AB|=|DC|



13x+3=15x-5


15x-13x=3+5


2x=8


x=4
User Mariano Cavallo
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