document.write( "Question 232621: 2/5 + ? = 1 \n" ); document.write( "
Algebra.Com's Answer #171847 by Alan3354(69443)\"\" \"About 
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2/5 + ? = 1
\n" ); document.write( "2/5 + ? = 5/5
\n" ); document.write( "? = 5/5 - 2/5
\n" ); document.write( "? = 3/5
\n" ); document.write( "----------
\n" ); document.write( "You could use x, or some other name
\n" ); document.write( "2/5 + x = 1
\n" ); document.write( "1 = 5/5
\n" ); document.write( "2/5 + x = 5/5
\n" ); document.write( "x = 5/5 - 2/5
\n" ); document.write( "x = 3/5\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );