document.write( "Question 934793: The length of a rectangle is (3y+2x) and its width is (x-y) cm. The length is then increased by 4 cm,and the width is halved. 1. Write down a simplified expression for the perimeter of the elongated rectangle. 2. If the perimeter of the newly elongated rectangle is 43 cm, and y is 1 cm find the value of x. \n" ); document.write( "
Algebra.Com's Answer #567841 by TimothyLamb(4379)\"\" \"About 
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L = (3y + 2x) + 4
\n" ); document.write( "w = (x - y)/2
\n" ); document.write( "---
\n" ); document.write( "p = 2L + 2w
\n" ); document.write( "p = 2( 3y + 2x + 4 ) + 2( (x - y)/2 )
\n" ); document.write( "p = 6y + 4x + 8 + x - y
\n" ); document.write( "p = 5y + 5x + 8
\n" ); document.write( "---
\n" ); document.write( "43 = 5*1 + 5x + 8
\n" ); document.write( "5x = 43 - 5 - 8
\n" ); document.write( "x = (43 - 5 - 8)/5
\n" ); document.write( "x = 6
\n" ); document.write( "---
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