document.write( "Question 911712: i need this with the p=2l+2w formula. Two rectangular solar panels are placed on the roof of a house. One panel is 4 ft wider than the other. If there combined width is 21 ft, what is the width of each panel \n" ); document.write( "
Algebra.Com's Answer #553288 by JoelSchwartz(130)\"\" \"About 
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w1=width of the first rectangle
\n" ); document.write( "w2=width of the second rectangle
\n" ); document.write( "w1=4+w2
\n" ); document.write( "w1+w2=21
\n" ); document.write( "4+2w2=21
\n" ); document.write( "2w2=17
\n" ); document.write( "w2=8.5
\n" ); document.write( "w1=12.5
\n" ); document.write( "
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