document.write( "Question 99120: A triangle has sides 3x + 7, 4x - 9, and 5x + 6. Find the expression that represents its perimiter. \n" ); document.write( "
Algebra.Com's Answer #72126 by checkley71(8403)\"\" \"About 
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(3X+7)+(4X-9)+(5X+6)=PERIMETER. \n" ); document.write( "
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