document.write( "Question 1210383: From a ceartain number 3 is subtracted the result is divided by 2 the final answer is 5 find the number \n" ); document.write( "

Algebra.Com's Answer #852147 by ikleyn(52778) $\"\"$ $\"About$

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\n" ); document.write( "From a $\"highlight%28cross%28ceartain%29%29\"$ certain number 3 is subtracted $\"highlight%28and%29\"$ the result is divided by 2.
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document.write( "        One way to solve\r\n" );
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document.write( "One way to solve is the backward method.\r\n" );
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document.write( "From the problem, before dividing by 2, the number was 5*2 = 10.\r\n" );
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document.write( "Hence, the original number was 10+3 = 13.    <<<---===  ANSWER\r\n" );
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document.write( "        Another way to solve\r\n" );
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document.write( "Another way to solve is via creating and solving an equation.\r\n" );
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document.write( "Let x be the original number.\r\n" );
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document.write( "Then write an equation as you read the problem\r\n" );
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document.write( "     = 5.\r\n" );
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document.write( "To solve, multiply both sides by 2\r\n" );
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document.write( "    x - 3 = 10.\r\n" );
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document.write( "Now add  '3'  to both sides and get the  ANSWER   x = 13.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Both ways produce the same answer.\r
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\n" ); document.write( "\n" ); document.write( "You may check that the answer is correct by making calculations with '13', described in the problem.\r
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