document.write( "Question 196886: The length of a retangle is five less than twice the width. The perimeter is 50 cm. Using an equation,find the dememsions of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #147605 by anantha(86)![]() ![]() ![]() You can put this solution on YOUR website! sol: \n" ); document.write( "let the width be x \n" ); document.write( "twice the width=2x \n" ); document.write( "length=5 less than the twice the width \n" ); document.write( "length=2x-5 \n" ); document.write( "perimeter of the rectangle=2*(length+width) \n" ); document.write( " =2*(2x-5+x) \n" ); document.write( " =2*(3x-5) \n" ); document.write( " =2*3x-2*5 \n" ); document.write( " =6x-10 \n" ); document.write( "according to the problem perimeter=50 cm \n" ); document.write( " 6x-10=50 \n" ); document.write( "adding 10 on both sides \n" ); document.write( "6x-10+10=50+10 \n" ); document.write( "6x=60 \n" ); document.write( "dividing by 6 on both sides \n" ); document.write( "6x/6=60/6 \n" ); document.write( "x=10 \n" ); document.write( "width=10 cm \n" ); document.write( "length=2x-5 \n" ); document.write( " =2*10-5 \n" ); document.write( " =20-5 \n" ); document.write( " =15 cm\r \n" ); document.write( "\n" ); document.write( "length=15cm,width=10cm \n" ); document.write( " \n" ); document.write( " |