document.write( "Question 1207907: Which of the expressions is not equal to the other three?\r
\n" ); document.write( "\n" ); document.write( "A. 7[a +2]\r
\n" ); document.write( "\n" ); document.write( "B. 20 + 8a -6 -a\r
\n" ); document.write( "\n" ); document.write( "C.17 +3[a -1] + 4a\r
\n" ); document.write( "\n" ); document.write( "D. 2a + 5[a -1] + 8
\n" ); document.write( "

Algebra.Com's Answer #846052 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "That sort of thing saves lots of time on such questions on exams.  If\r\n" );
document.write( "substituting 0 gives the same results on some answers, substitute 1 or -1.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );