document.write( "Question 197944: What is the length of a room that is 2 meters longer than it is wide and the perimeter is 24? This is not from the textbook \n" ); document.write( "
Algebra.Com's Answer #148468 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! What is the length of a room that is 2 meters longer than it is wide and the \n" ); document.write( " perimeter is 24? \n" ); document.write( ": \n" ); document.write( "let x = the width \n" ); document.write( "let L = the length \n" ); document.write( ": \n" ); document.write( "\"length of a room that is 2 meters longer than it is wide\" \n" ); document.write( "L = x + 2 \n" ); document.write( ": \n" ); document.write( "Perimeter: \n" ); document.write( "2L + 2x = 24 \n" ); document.write( ": \n" ); document.write( "Replace L with (x+2) \n" ); document.write( "2(x+2) + 2x = 24 \n" ); document.write( "2x + 4 + 2x = 24 \n" ); document.write( "4x = 24 - 4 \n" ); document.write( "4x = 20 \n" ); document.write( "x = \n" ); document.write( "x = 5 m is the width \n" ); document.write( "then \n" ); document.write( "5 + 2 = 7 m is the length \n" ); document.write( "; \n" ); document.write( ": \n" ); document.write( "Check solution by finding the perimeter using these values \n" ); document.write( "2(7) + 2(5) = 24 \n" ); document.write( " |