document.write( "Question 1180175: Solving for Two Variables using Elimination (must show work)
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document.write( " -4x - 3y = -14 and -x + 3y = -11
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Algebra.Com's Answer #809774 by ikleyn(52906) You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Add the two equations (both sides).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Doing this way, you eliminate \"y\" and get\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " -5x = - 25, or x = 5.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then from the second equation\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( " 3y = -11 + x = -11 + 5 = -6.\r\n" ); document.write( "\r\n" ); document.write( " y = -6/3 = -2.\r\n" ); document.write( "\r\n" ); document.write( "ANSWER. x= 5; y= -2.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |