document.write( "Question 1204028: The cardinal number of {xlx=x+5 and x∈N} is \n" ); document.write( "
Algebra.Com's Answer #840021 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ". . . is 0 (zero).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This set of x's is empty.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |