document.write( "Question 282194: A rectangular field is 12cm longer than it is wide. Its perimeter is 52 cms
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document.write( "find the width???? how i do this \n" );
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Algebra.Com's Answer #204899 by oberobic(2304) ![]() You can put this solution on YOUR website! Perimeter = P = 2L + 2W \n" ); document.write( "P = 52 \n" ); document.write( "L = W+12 :: Length is 12 more than width, so you'd have to add 12 to L to make it equal. \n" ); document.write( ". \n" ); document.write( "2L + 2W = 2(L+W) \n" ); document.write( "2(L+W) = 52 \n" ); document.write( "L+W = 26 \n" ); document.write( "(W+12)+W = 26 \n" ); document.write( "2W+12=26 \n" ); document.write( "2W = 14 \n" ); document.write( "W = 7 \n" ); document.write( ". \n" ); document.write( "L=W+12 \n" ); document.write( "L=7+12 \n" ); document.write( "L=19 \n" ); document.write( ". \n" ); document.write( "Check perimeter to be sure it is 52. \n" ); document.write( "2(7+19) = 2(26) = 52 \n" ); document.write( ". \n" ); document.write( "State answer: \n" ); document.write( "W = 7 \n" ); document.write( "L = 19 \n" ); document.write( ". \n" ); document.write( "Done \n" ); document.write( " |