document.write( "Question 253821: The diagonals of a rectangle have lengths 4 + 2x and 6x – 20.
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Algebra.Com's Answer #186170 by richwmiller(17219)\"\" \"About 
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Diagonals of a rectangle are equal.
\n" ); document.write( "4+2x=6x-20
\n" ); document.write( "add 20 to both sides
\n" ); document.write( "24=2x=6x
\n" ); document.write( "subtract 4x
\n" ); document.write( "24=4x
\n" ); document.write( "6=x\r
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