document.write( "Question 1070327: The sum of three numbers is 26. The third number is twice the second, and is also 1
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Algebra.Com's Answer #685441 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "The sum of three numbers is 26. The third number is twice the second, and is also 1
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\n" ); document.write( "\n" ); document.write( "The solution by \"josgarithmetic\" was wrong.\r
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document.write( "x + y + z = 26,   (1)\r\n" );
document.write( "z = 2y,           (2)\r\n" );
document.write( "z = 3x - 1.       (3)\r\n" );
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document.write( "From (2),  y = .\r\n" );
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document.write( "From (3),  x = .\r\n" );
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document.write( "Substitute it into (1). You will get\r\n" );
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document.write( " = 26.\r\n" );
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document.write( "Write it with the common denominator, which is 6. You will get\r\n" );
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document.write( " = 26,   or\r\n" );
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document.write( "11z + 2 = 156  --->  11z = 156 - 2  --->  z =  = 14.\r\n" );
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document.write( "Then y = 7  and  x = 5.\r\n" );
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document.write( "Answer.  x = 5,  y = 7,  z = 14.\r\n" );
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