document.write( "Question 602554: Find an equivalent expression without parentheses.
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Algebra.Com's Answer #380317 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
-(-2x + 12y - 9z)\r
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\n" ); document.write( "\n" ); document.write( "-(-2x) - 12y - (-9z)\r
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\n" ); document.write( "\n" ); document.write( "2x - 12y + 9z\r
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\n" ); document.write( "\n" ); document.write( "So the answer is 2x - 12y + 9z
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