document.write( "Question 980388: when 40% of a number is added to 42 the result is the number itself. find the number. \n" ); document.write( "
Algebra.Com's Answer #601522 by rfer(16322)\"\" \"About 
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0.40x+42=x
\n" ); document.write( "0.40x-x=-42
\n" ); document.write( "-0.60x=-42
\n" ); document.write( "x=-42/-0.60
\n" ); document.write( "x=70
\n" ); document.write( "--------------
\n" ); document.write( "0.40*70+42=70
\n" ); document.write( "70=70
\n" ); document.write( "
\n" );