document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421892>Question 421892</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help me solve : If 15 is added to a number and the sum is doubled, the results is -5 less than the number. find the number. </SPAN>\n" );
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document.write( "let the number is x.\r<BR>\n" );
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document.write( "then,\r<BR>\n" );
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document.write( " 2*(x+15) = x - (-5)\r<BR>\n" );
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document.write( "=> 2x + 30 = x+5\r<BR>\n" );
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document.write( "=> 2x - x = 5-30 \r<BR>\n" );
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document.write( "=> x = -25 \r<BR>\n" );
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document.write( "so, number is :   -25\r<BR>\n" );
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document.write( " </SPAN>\n" );
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