document.write( "Question 484922: 2x+4y=-10
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document.write( "-3x-2y=-1 \n" );
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Algebra.Com's Answer #331728 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! First, double the second equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x+4y=-10 \n" ); document.write( "-3x-2y=-1\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x+4y=-10 \n" ); document.write( "-6x-4y=-2\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then add the two equations to get -4x=-12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve for x to get x = 3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then plug that into either equation and solve for y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x+4y=-10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2(3)+4y=-10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6+4y=-10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4y=-10-6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4y=-16\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y=-4\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answers are x = 3 and y = -4\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |