document.write( "Question 309781: the length of a rectangle is 6 inches more than twice the width if the perimeter is 84 inches find the demension \n" ); document.write( "
Algebra.Com's Answer #221576 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! the length of a rectangle is 6 inches more than twice the width if the perimeter is 84 inches find the demension \n" ); document.write( ". \n" ); document.write( "Let w = width \n" ); document.write( "then from \"the length of a rectangle is 6 inches more than twice the width\" \n" ); document.write( "2w+6 = length \n" ); document.write( ". \n" ); document.write( "2(w + 2w+6) = 84 \n" ); document.write( "2(3w+6) = 84 \n" ); document.write( "6w+12 = 84 \n" ); document.write( "6w = 72 \n" ); document.write( "w = 12 inches (width) \n" ); document.write( ". \n" ); document.write( "Length: \n" ); document.write( "2w+6 = 2(12)+6 = 24+6 = 30 inches \n" ); document.write( " |