document.write( "Question 420313: the perimetet of a rectangle is 50 meters. write a linear equation in 2 variables for this perimeter. use the equation to find x when y=20 \n" ); document.write( "
Algebra.Com's Answer #293736 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
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\n" ); document.write( "\n" ); document.write( "using x and y to represent the lengths of the respective sides.
\n" ); document.write( " 2x + 2y = 50m
\n" ); document.write( " 2x + 2*20 = 50m
\n" ); document.write( " 2x = 10m
\n" ); document.write( " x = 5m \n" ); document.write( "
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