document.write( "Question 629074: (-2a+3b-7)-(-5a+9b) \n" ); document.write( "
Algebra.Com's Answer #396011 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28-2a%2B3b-7%29-%28-5a%2B9b%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-2a%2B3b-7%2B5a-9b\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28-2a%2B5a%29%2B%283b-9b%29-7\"\r
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\n" ); document.write( "\n" ); document.write( "\"3a-6b-7\"\r
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\n" ); document.write( "\n" ); document.write( "So the answer is \"3a-6b-7\"\r
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