document.write( "Question 85368: 56) Geometry. A triangle has sides 3x + 7, 4x – 9, and 5x + 6. Find the expression that represents its perimeter. \n" ); document.write( "
Algebra.Com's Answer #61551 by checkley75(3666)\"\" \"About 
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3X+7+4X-9+5X+6=12X+4=4(3X+1) IS THE PERIMETER. \n" ); document.write( "
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