document.write( "Question 39540: A Traingle has sides 3x + 7 , 4x - 9, and 5x + 6. Find the expression that represents its perimeter.
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Algebra.Com's Answer #24980 by longjonsilver(2297)\"\" \"About 
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perimeter = (3x+7) + (4x-9) + (5x+6)
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\n" ); document.write( "perimeter = 12x+4
\n" ); document.write( "perimeter = 4(3x+1)\r
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