document.write( "Question 1065411: 24x+2y=52 6x+3y=-36 \n" ); document.write( "
Algebra.Com's Answer #680580 by ikleyn(52778)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "24x+2y=52 6x+3y=-36 \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "24x + 2y = 52 (1)\r\n" ); document.write( " 6x + 3y = -36 (2)\r\n" ); document.write( "\r\n" ); document.write( "Divide the first equation by 2 (both sides).\r\n" ); document.write( "Divide the second equation by 3 (both sides). You will get an equivalent system\r\n" ); document.write( "\r\n" ); document.write( "12x + y = 26 (1')\r\n" ); document.write( "2x + y = -12 (2')\r\n" ); document.write( "\r\n" ); document.write( "Now distract the second equation from the first one. \r\n" ); document.write( "In this way you eliminate \"y\" and get a single equation for x:\r\n" ); document.write( "\r\n" ); document.write( "12x - 2x = 26 - (-12),\r\n" ); document.write( "\r\n" ); document.write( "10x = 26 + 12 = 38 ---> x =\r \n" ); document.write( "\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "The method I applied here is called the Elimination method.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "On the Substitution method, Elimination method, Determinants' method for solving the systems of two linear equations \n" ); document.write( "in two unknowns see the lessons \r \n" ); document.write( "\n" ); document.write( " - Solution of the linear system of two equations in two unknowns using determinant \r \n" ); document.write( "\n" ); document.write( " - Solution of the linear system of two equations in two unknowns by the Substitution method \r \n" ); document.write( "\n" ); document.write( " - Solution of the linear system of two equations in two unknowns by the Elimination method \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( "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( " |