document.write( "Question 473898: the length of a rectangle is 3 more than twice its width. if the perimeter is 54 inches, what is the width of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #325015 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! \"the length of a rectangle is 3 more than twice its width. if the perimeter is 54 inches, what is the width of the rectangle?\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = width \n" ); document.write( "2x + 3 = length {length is 3 more than twice width}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Perimeter of a rectangle is 2(width) + 2(length)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x + 2(2x + 3) = 54 {perimeter = 2(width) + 2(length)} \n" ); document.write( "2x + 4x + 6 = 54 {used distributive property} \n" ); document.write( "6x + 6 = 54 {combined like terms} \n" ); document.write( "6x = 48 {subtracted 6 from both sides} \n" ); document.write( "x = 8 {divided both sides by 6} \n" ); document.write( "2x + 3 = 19 {substituted 8, in for x, into 2x + 3}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "width = 8 and length = 19 \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |