document.write( "Question 1090299: solve the following systems of equations by elimination. verify the solutions. \r
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document.write( "4m-3n=27
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document.write( "8m-6n=18 \n" );
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Algebra.Com's Answer #704738 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "4m - 3n = 27 (1)\r\n" ); document.write( "8m - 6n = 18 (2)\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Left side of the equation (2) is doubled left side of the equation (1).\r\n" ); document.write( "\r\n" ); document.write( "But the right side of the eq(2) is not doubled right side of the equation (1).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore, the system CAN NOT and DOES NOT HAVE a solution.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Lesson to learn from this solution:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " Learn how to analyse a given system of equations before (and without) solving it.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "See the lesson\r \n" ); document.write( "\n" ); document.write( " - Geometric interpretation of the linear system of two equations in two unknowns \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r \n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Systems of two linear equations in two unknowns\".\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |