document.write( "Question 318512: rectangular room has width half of its length. When 6 is decreased from both length and width then its area is differed by 108 so find the width. \n" ); document.write( "
Algebra.Com's Answer #227962 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let width be x \n" ); document.write( "length will be 2x \n" ); document.write( ".. \n" ); document.write( "6 is decreased from both \n" ); document.write( "x-6 \n" ); document.write( "2x-6 \n" ); document.write( "2x^2-(x-6)(2x-6)= 108 \n" ); document.write( "2x^2-(2x^2-6x-12x+36)=108 \n" ); document.write( "2x^2-2x^2+18x-36=108 \n" ); document.write( "18x=108+36 \n" ); document.write( "18x=144 \n" ); document.write( "x=144/18 \n" ); document.write( "x=8 which is the width \n" ); document.write( "Length = 2x = 16 units \n" ); document.write( " |