document.write( "Question 817552: how to do this problem?\r
\n" ); document.write( "\n" ); document.write( "the perimeter of a rectangle is 28 cm. one side is 10 cm longer than the other side. find the lengths of the sides.
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Algebra.Com's Answer #492102 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
2L + 2w = 28
\n" ); document.write( "L = w + 10
\n" ); document.write( "---
\n" ); document.write( "2L + 2w = 28
\n" ); document.write( "2(w + 10) + 2w = 28
\n" ); document.write( "2w + 20 + 2w = 28
\n" ); document.write( "4w = 8
\n" ); document.write( "---
\n" ); document.write( "w = 2
\n" ); document.write( "L = 12
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