document.write( "Question 912892: the length of a rectangle is 5 cm less than 3 times the width. the perimeter is 150 cm. find the length and width.\r
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Algebra.Com's Answer #554145 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "2L + 2w = 150cm
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\n" ); document.write( "L + w = 75cm
\n" ); document.write( "(3w-5) + w = 75
\n" ); document.write( "4w = 80
\n" ); document.write( "w = 20cm and L = 55cm \"3%2A20-5\"
\n" ); document.write( "And...checking
\n" ); document.write( "L + w = 75cm \n" ); document.write( "
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