document.write( "Question 136120: the length of a rectangle is 6 meters more than 3 times it width. If the perimeter of the rectangle is 84 meters find its dimensions \n" ); document.write( "
Algebra.Com's Answer #99706 by checkley77(12844)\"\" \"About 
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L=3W+6 IS THE LENGTH
\n" ); document.write( "W=WIDTH
\n" ); document.write( "2L+2W=84
\n" ); document.write( "2(3W+6)+2W=84
\n" ); document.write( "6W+12+2W=84
\n" ); document.write( "8W+12=84
\n" ); document.write( "8W=84-12
\n" ); document.write( "8W=72
\n" ); document.write( "W=72/8
\n" ); document.write( "W=9 ANSWER FOR THE WIDTH
\n" ); document.write( "L=3*9+6
\n" ); document.write( "L=27+6
\n" ); document.write( "L=33 ANSWER
\n" ); document.write( "PROOF
\n" ); document.write( "2*9+2*33=84
\n" ); document.write( "18+66=84
\n" ); document.write( "84=84
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