document.write( "Question 909005: The diagonals of quadrilateral ABCD intersect at point E, AE=5x-10, EC=2x=5,and BE=y/3. If ABCD is a square, find the value of y.
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Algebra.Com's Answer #551461 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "AE=5x-10, EC=2x+5
\n" ); document.write( "5x-10 = 2x +5
\n" ); document.write( "3x = 15
\n" ); document.write( "x = 5
\n" ); document.write( "AE = EC = 15
\n" ); document.write( "AC = 30
\n" ); document.write( "IF Square
\n" ); document.write( "BE = y/3,
\n" ); document.write( "y/3 = 15, y = 45
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