document.write( "Question 1074080: the length of a rectangle is 7cm more than twice the width. the perimeter is 86cm. find the dimensions of the rectangle.\r
\n" ); document.write( "\n" ); document.write( "i tried this
\n" ); document.write( "86=2(7)+2w
\n" ); document.write( "86-14=2w
\n" ); document.write( "72/2=2w/2
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\n" ); document.write( "but i keep getting the wrong answer
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Algebra.Com's Answer #688815 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Dimensions 2w+7, and w.\r
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\n" ); document.write( "\n" ); document.write( "\"2%282w%2B7%29%2B2w=86\"\r
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\n" ); document.write( "\n" ); document.write( "\"2w%2B7%2Bw=43\"\r
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\n" ); document.write( "\n" ); document.write( "\"3w=43-7\"\r
\n" ); document.write( "\n" ); document.write( "\"3w=36\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28w=12%29\", width\r
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\n" ); document.write( "\n" ); document.write( "Length is \"2w%2B7=highlight%2831%29\".
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