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)![]() ![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " \n" ); document.write( " |