document.write( "Question 750428: 6xy from -12xy \n" ); document.write( "
Algebra.Com's Answer #456570 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
if you mean subtract then\r
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\n" ); document.write( "\n" ); document.write( "-12xy-6xy=-18xy\r
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