document.write( "Question 1074769: The larger of two numbers is 8 more than the smaller number.
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document.write( "when the smaller number is multiplied by 2, the result is the same as when the larger number is increased by 4.
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Algebra.Com's Answer #689661 by Theo(13342) You can put this solution on YOUR website! the larger of 2 numbers is 8 more than the smaller number.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let x = the larger number. \n" ); document.write( "let y = the smaller number.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = y + 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "when the smaller number is multiplied by 2, the result is the same as when the larger number is increased by 4.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 * y = x + 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you have 2 equations that need to be solved simultaneously.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "they are:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = y + 8 \n" ); document.write( "2 * y = x + 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "replace x in the second equation with its equivalent value of y + 8 from the first equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 * y = (y + 8) + 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "simplify to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 * y = y + 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract y from both sides of the equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since x = y + 8, then x = 20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 * y = 2 * 12 = 24 \n" ); document.write( "x + 4 = 20 + 4 = 24\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solution looks good.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x is equal to 20 and y is equal to 12.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the larger number is 8 more than the smaller number.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2 times the smaller number is equal to the larger number + 4.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |