document.write( "Question 1152887: A rectangular room is 6 meters longer than it is wide, and it’s perimeter is 24 meters. Find the dimension of the room.
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Algebra.Com's Answer #775007 by ikleyn(52866) $\"\"$ $\"About$

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document.write( "Let the width be x meters;  then the length is (x+6) meters.\r\n" );
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document.write( "The perimeter is the sum of four lengths\r\n" );
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document.write( "    P = x + (x+6) + x + (x+6) = 2x + 2*(x+6),   or\r\n" );
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document.write( "    24 = 2x + 2*(x+6).\r\n" );
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document.write( "You may write it in this form\r\n" );
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document.write( "    x + (x+6) = 24/2\r\n" );
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document.write( "    x + (x+6) = 12.\r\n" );
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\n" ); document.write( "\n" ); document.write( "I STOP at this point, since the assignment does nor requires to solve the equation.\r
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\n" ); document.write( "\n" ); document.write( "The person, familiar with the subject, who just solved such problems many times, writes the equation\r
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\n" ); document.write( "\n" ); document.write( " x + (x+6) = half of the perimeter\r
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\n" ); document.write( "\n" ); document.write( "without any explanations, assuming that everything is just crystally clear.\r
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