document.write( "Question 849516: I have two absolute question. The first is 3|6-d|=18 and the other one is
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document.write( "1/4|6x-3|=18.75 \n" );
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Algebra.Com's Answer #511609 by Theo(13342) You can put this solution on YOUR website! first problem:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3|6-d| = 18\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "divide both sides of this equation by 3 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "|6-d| = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "break this up into 2 equations as follows:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "first equation is (6-d) = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "second equation is (6-d) = -6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "first equation is solved as follows:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6-d = 6 \n" ); document.write( "subtract 6 from both sides of this equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-d = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply both sides of this equation by -2 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "d = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "second equation is solved as follows:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(6-d) = -6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 6 from both sides of this equation to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-d = -12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply both sidesof this equation by -1 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "d = 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your solutions are that d is either equal to 0 or d is equal to 12.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "confirm by substituting in the original equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3 * |6-d| = 18 is the original equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "replace d with 0 to get 3 * |6-0| = 18 which simplifies to:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "18 = 18, confirming d = 0 is good.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "replace d with 12 to get 3 * |6 - 12| = 18 which simplifies to:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3 * |-6| = 18 which becomse 18 = 18 because the absolute value of -6 is equal to 6.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "both solutions are confirmed to be true.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "second problem:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1/4 * |6x-3| = 18.75\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "multiply both sides of this equation by 4 and you get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "|6x-3| = 75\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "break this up into 2 equations:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "first equation is (6x-3) = 75\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "second equation is (6x-3) = -75\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve each equation for x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "first equation is solved as follows: \n" ); document.write( "6x-3 = 75 \n" ); document.write( "add 3 to both sides to get: \n" ); document.write( "6x = 78 \n" ); document.write( "divide both sides by 6 to get: \n" ); document.write( "x = 13\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "second equation is solved as follows: \n" ); document.write( "6x-3 = -75 \n" ); document.write( "add 3 to both sides to get: \n" ); document.write( "6x = -72 \n" ); document.write( "divide both sides by 6 to get: \n" ); document.write( "x = -12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x is either 13 or -12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "when x is 13, 1/4 * |6x-3| is equal to 1/4 * |75| which is equal to 18.75.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "when x is -12, 1/4 * |6x-3| is equal to 1/4 * |-75| which is equal to 18.75.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this is because the absolute value of a number is always positive.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |