document.write( "Question 83958: Solve algebraically using only one variable. The perimeter, which is the sum of all sides, of a rectangle is 48 square inches. The length of the rectangle is three more than twice its width. Find the length and width of the rectangle \n" ); document.write( "
Algebra.Com's Answer #60402 by checkley75(3666)\"\" \"About 
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2w+2(2w+3)=48
\n" ); document.write( "2w+4w+6=48
\n" ); document.write( "6w=48-6
\n" ); document.write( "6w=42
\n" ); document.write( "w=42/6
\n" ); document.write( "w=7 answer for the width.
\n" ); document.write( "length=2w+3, 2*7+3, 14+3, 17 for the length.
\n" ); document.write( "proof
\n" ); document.write( "2*7+2*17=48
\n" ); document.write( "14+34=48
\n" ); document.write( "48=48
\n" ); document.write( "
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