document.write( "Question 901693: The length of a rectangle is x in, its width is 3 in shorter than the length. Compose an
\n" ); document.write( "algebraic expression for the perimeter of the rectangle. Find the value of this expression
\n" ); document.write( "if x = 2. \n" ); document.write( "
Algebra.Com's Answer #546894 by harpazo(655)\"\" \"About 
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The length of a rectangle is x in, its width is 3 in shorter than the length. Compose an
\n" ); document.write( " algebraic expression for the perimeter of the rectangle. Find the value of this expression
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\n" ); document.write( "\n" ); document.write( "length = x\r
\n" ); document.write( "\n" ); document.write( "width = x - 3\r
\n" ); document.write( "\n" ); document.write( "Perimeter = 2 times length + 2 times width\r
\n" ); document.write( "\n" ); document.write( "P = 2x + 2(x - 3)\r
\n" ); document.write( "\n" ); document.write( "Now replace every x you see with 2 and do the math.\r
\n" ); document.write( "\n" ); document.write( "P = 2(2) + 2(2 - 3)\r
\n" ); document.write( "\n" ); document.write( "P = 4 + 4 - 6\r
\n" ); document.write( "\n" ); document.write( "P = 8 - 6\r
\n" ); document.write( "\n" ); document.write( "P = 2\r
\n" ); document.write( "\n" ); document.write( "The answer is 2. \n" ); document.write( "
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