document.write( "Question 415905: when 3 times a number is subtracted from 7 times the number,the result is 40.what is the number? \n" ); document.write( "
Algebra.Com's Answer #291492 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "7x - 3x = 40\r
\n" ); document.write( "\n" ); document.write( "=> 4x =40\r
\n" ); document.write( "\n" ); document.write( "=> x = 10 \r
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\n" ); document.write( "\n" ); document.write( "it is 10.\r
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