document.write( "Question 47185: The sum of two numbers is 72. One of the numbers is six more than twice the other. What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #31239 by atif.muhammad(135)\"\" \"About 
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document.write( "The sum of two numbers is 72.  One of the numbers is six more than twice the other.  What are the two numbers?\r\n" );
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document.write( "Let one number be x, and the other be y.\r\n" );
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document.write( "The sum of two numbers is 72   ------   x+y = 72\r\n" );
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document.write( "One of the numbers is six more than twice the other.  ---   x = 2y + 6\r\n" );
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document.write( "We have a pair of simultaneous equations, which we can solve.\r\n" );
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document.write( "x+y = 72....(1)\r\n" );
document.write( "x = 2y + 6....(2)\r\n" );
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document.write( "Substitute (2) into (1):\r\n" );
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document.write( "(2y + 6) + y = 72\r\n" );
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document.write( "3y + 6 = 72\r\n" );
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document.write( "3y = 66\r\n" );
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document.write( "y = 22...(3)\r\n" );
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document.write( "Subsitute (3) into (2):\r\n" );
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document.write( "x = 2(22) + 6 = 50\r\n" );
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document.write( "Hence, our two numbers are 50,22.\r\n" );
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