document.write( "Question 375260: a rectangle perimeter is 78 inches
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document.write( "the length is 6 more than twice its width.
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document.write( "what is the length and width? \n" );
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Algebra.Com's Answer #266889 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let width be x \n" ); document.write( "length = 2x+6 \n" ); document.write( "... \n" ); document.write( "perimeter = 78 \n" ); document.write( "2*(l+w)=perimeter \n" ); document.write( "2*(x+(2x+6))=78 \n" ); document.write( "2(3x+6)=78 \n" ); document.write( "6x+12=78 \n" ); document.write( "-12 \n" ); document.write( "6x=78-12 \n" ); document.write( "6x=66 \n" ); document.write( "x= 11 the width \n" ); document.write( "length = 2x+6 = 22+6 = 28 \n" ); document.write( "\.. \n" ); document.write( "CHECK 28+28+11+11= 78 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |