document.write( "Question 1200069: The product of a number and 12 decreased by 13 is 611. Find the number. ( Show the solution) \n" ); document.write( "

Algebra.Com's Answer #834085 by ikleyn(52914) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " You can solve this problem using equation.\r
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document.write( "Let x be the unknown number.\r\n" );
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document.write( "Write equation as you read the problem\r\n" );
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document.write( "    12x - 13 = 611.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    12x = 611 + 13\r\n" );
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document.write( "    12x = 624\r\n" );
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document.write( "      x = 624/12 = 52.\r\n" );
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document.write( "ANSWER.  x= 52.\r\n" );
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document.write( "CHECK.  12*52 - 13 = 611.    ! correct !\r\n" );
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\n" ); document.write( "\n" ); document.write( " You can solve it MENTALLY without using equations.\r
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document.write( "For it, make the inverse arithmetic operations in reverse order:\r\n" );
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document.write( "    - First, add 13 to 611 mentally and get 624.\r\n" );
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document.write( "    - Next, divide 624 by 12.   You will get the same answer 52.\r\n" );
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\n" ); document.write( "\n" ); document.write( "If you want to learn on how to solve simple and simplest linear equations, read the lesson\r
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\n" ); document.write( "\n" ); document.write( "Consider this lesson as your textbook, handbook, tutorials and (free of charge) home teacher.\r
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\n" ); document.write( "\n" ); document.write( "Happy learning (!)\r
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