document.write( "Question 749022: The length of a rectangular piece of steel in a bridge is 3 meters less than double the width. The perimeter of the piece of steel is 24 meters. Find the length of the piece of steel. Find the width of the piece of steel. \n" ); document.write( "
Algebra.Com's Answer #455734 by timvanswearingen(106)![]() ![]() You can put this solution on YOUR website! Let w represent the width. Then the length is 2w-3 (3 less than twice the width)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plug in for l and w:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Distribute:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Combine like terms:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add 6 to both sides:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide both sides by 6:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now find l:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The width is 5 meters and the length is 7 meters. \n" ); document.write( " |