document.write( "Question 208738: what is the value of x if the sides of a rectangle read this:\r
\n" ); document.write( "\n" ); document.write( "42, 28, x-18, and y-10?
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Algebra.Com's Answer #157942 by Alan3354(69443)\"\" \"About 
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what is the value of x if the sides of a rectangle read this:
\n" ); document.write( "42, 28, x-18, and y-10?
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\n" ); document.write( "Since the sides are pairs,
\n" ); document.write( "either x-18 = 42 --> x = 60
\n" ); document.write( "or x-18 = 28 --> x = 46
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