document.write( "Question 264587: The perimeter of a rectangle is 56. When one side is x + 4 and the other side is twice that. Find the measurement of all sides of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #194790 by checkley77(12844)\"\" \"About 
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2L+2W=P
\n" ); document.write( "2(X+4)+2*2(X+4)=56
\n" ); document.write( "2X+8+4X+16=56
\n" ); document.write( "6X=56-16-8
\n" ); document.write( "6X=32
\n" ); document.write( "X=32/6
\n" ); document.write( "X=16/3
\n" ); document.write( "16/3+4=(16+4*3)/3=(16+12)/3=28/3 ANS. FOR ONE SIDE.
\n" ); document.write( "2*28/3=56/3 ANS. FOR THE OTHER SIDE.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*28/3+2*56/3=56
\n" ); document.write( "56/3+112/3=56
\n" ); document.write( "168/3=56
\n" ); document.write( "56=56
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