document.write( "Question 190303: Hi!\r
\n" ); document.write( "\n" ); document.write( "I need some help in performing this indicated operation and simplifying it:\r
\n" ); document.write( "\n" ); document.write( "(a + 1)/2 - (a - 1)/2\r
\n" ); document.write( "\n" ); document.write( "thanks!
\n" ); document.write( "

Algebra.Com's Answer #142823 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
(a+1-a+1)/2 = 2/2 = 1 \n" ); document.write( "
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