document.write( "Question 211050This question is from textbook structure and method
\n" ); document.write( ": Ok here's another for whoever can help me help my daughter\r
\n" ); document.write( "\n" ); document.write( "r+s+[-(r+s+t)]
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Algebra.Com's Answer #159442 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
r+s+[-(r+s+t)]
\n" ); document.write( "= r+s +[-r-s-t]
\n" ); document.write( "= r+s -r-s-t
\n" ); document.write( "= -t
\n" ); document.write( "--------
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