document.write( "Question 552684: the width of a rectangle is 9x and the length is 3x + 11 solve for x then find the perimeter.
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Algebra.Com's Answer #360466 by Earlsdon(6294)\"\" \"About 
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P = 2(L+W) Substitute L = 3x+11 and W = 9x.
\n" ); document.write( "P = 2(3x+11+9x) Simplify.
\n" ); document.write( "P = 2(12x+11)
\n" ); document.write( "P = 24x+22
\n" ); document.write( "You can't find the perimeter (P) until you have the value of x.
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